September 2016
Intermediate to advanced
989 pages
24h 10m
English
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Using build history
When maintaining software for an embedded product, you need a way to know what has changed and how it is going to affect your product.
On a Yocto system, you may need to update a package revision (for instance, to fix a security vulnerability), and you need to make sure what the implications of this change are; for example, in terms of package dependencies and changes to the root filesystem.
Build history enables you to do just that, and we will explore it in this recipe.
How to do it...
To enable build history, add the following to your conf/local.conf file:
INHERIT += "buildhistory"
The following enables information gathering, including dependency graphs:
BUILDHISTORY_COMMIT = "1"
The preceding line of code enables the storage of ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.