[yocto] Documentation improvement

[Rifenbark, Scott M]

Jim,

I am looking at that section in the BSP Guide and it is actually out of date regarding the 1.2.10 section.  In the section it lists the linux-yocto_3.0.bbappend file (which is probably lagging as it should be 3.2).  Anyway, the listing uses KERNEL_FEATURES and I believe that KBRANCH is now used.  I am going to work on this section and get it up to speed and then address the issue you originally brought up, which is getting the best description for config fragments inside the dev manual.

ScottR

From: yocto-bounces at yoctoproject.org [mailto:yocto-bounces at yoctoproject.org] On Behalf Of jfabernathy
Sent: Friday, July 06, 2012 11:59 AM
To: yocto at yoctoproject.org
Subject: [yocto] Documentation improvement

I was looking at the Yocto Development Manual (Latest), section 4.6.2. Creating Config Fragments.  I was confused about the file statement and the naming of the directory to locate the fragment file until I found a similar discussion in the BSP Guide (lastest) section 1.2.10. Linux Kernel Configuration.

The section there is much more understandable.  I think we need to modify the development manual or have it point to the BSP manual.  The text from there (below) I think is better.  I still think it's confusing about the naming of the subdirectory where the myconfig goes. Maybe a complete example would be good.
For example, suppose you had a set of configuration options in a file called myconfig. If you put that file inside a directory named linux-yocto and then added a SRC_URI statement such as the following to the append file, those configuration options will be picked up and applied when the kernel is built.

     SRC_URI += "file://myconfig"<file:///\\myconfig>



As mentioned earlier, you can group related configurations into multiple files and name them all in the SRC_URI statement as well. For example, you could group separate configurations specifically for Ethernet and graphics into their own files and add those by using a SRC_URI statement like the following in your append file:

     SRC_URI += "file://myconfig \<file:///\\myconfig\file:\eth.cfg\file:\gfx.cfg>

            file://eth.cfg \<file:///\\myconfig\file:\eth.cfg\file:\gfx.cfg>

            file://gfx.cfg"<file:///\\myconfig\file:\eth.cfg\file:\gfx.cfg>


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