[yocto] Adding Custom Files to Build

[Martin Jansa]

On Thu, Oct 31, 2013 at 01:28:27PM -0700, Leo Schwab wrote:
> This may seem rather basic, but something that I haven't been able to
> find any clear discussion on is how to add or modify files in the
> final rootfs image.
> 
> We have customized versions of /etc/network/interfaces and
> /etc/wpa_supplicant.conf, with more to come.  Right now I've been
> adding them by hand to the SD cards, but I would prefer they were
> added to the rootfs and the .sdcard images as part of the build.
> 
> I briefly considered creating a .bbappend file to modify the build for
> the wpa_supplicant.bb recipe, but it turns out that
> /etc/wpa_supplicant.conf itself comes from a custom file inside the
> recipe, and it wasn't at all clear how to hook in or override that.
> 
> I also get the impression that writing a recipe that simply copies
> stuff to final image will get me yelled at by the build system, since
> I'm overwriting files already provided by another recipe.
> 
> Can anyone point me in the right direction?

Creating .bbappends is the right direction, you just need to read a bit
more docs (hint: FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:")

-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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