November 2017
Intermediate to advanced
162 pages
4h 8m
English
book
Embedded Linux Development using Yocto Projects - Second Edition
by Otavio Salvador, Daiane Angolini
Content preview from Embedded Linux Development using Yocto Projects - Second Edition
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Parsing metadata
As previously mentioned, there are three metadata groups—configuration, class, and recipe.
The first parsed metadata in BitBake is configuration metadata, identified by the .conf file extension. This metadata is global, and therefore affects all recipes and tasks that are executed.
BitBake first searches the current working directory for the build/conf/bblayers.conf configuration file, which is expected to contain a BBLAYERS variable that is a space-delimited list of layer directories. For each directory in this list, a conf/layer.conf file is searched for and parsed to add the recipes, classes, and configurations contained within that particular layer. LAYERDIR is set to the directory where the layer was found during this ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.