Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Embedded Linux Development using Yocto Projects

You're reading from   Embedded Linux Development using Yocto Projects Learn to leverage the power of Yocto Project to build efficient Linux-based products

Arrow left icon
Product type Paperback
Published in Nov 2017
Publisher
ISBN-13 9781788470469
Length 162 pages
Edition 2nd Edition
Tools
Arrow right icon
Authors (2):
Arrow left icon
Otavio Salvador Otavio Salvador
Author Profile Icon Otavio Salvador
Otavio Salvador
Daiane Angolini Daiane Angolini
Author Profile Icon Daiane Angolini
Daiane Angolini
Arrow right icon
View More author details
Toc

Table of Contents (15) Chapters Close

Preface 1. Meeting the Yocto Project FREE CHAPTER 2. Baking Our Poky-Based System 3. Using Toaster 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

Adding extra files to the existing packages

If we need to include an extra configuration file, we should use FILESEXTRAPATHS, as explained in the previous example and shown in the following lines of code:

FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
SRC_URI += "file://newconfigfile.conf"
do_install_append() {
install -m 644 ${WORKDIR}/newconfig.conf ${D}${sysconfdir}
}

The do_install_append function appends the provided block below the metadata already available in the original do_install function. It includes the command needed to copy our new configuration file into the package's filesystem. The file is copied from ${WORKDIR} to ${D} as these are the directories used by Poky to build the package and the destination directory used by Poky to create the package. The ${sysconfdir} directory is the system configuration directory (usually with /etc...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime