[yocto] Debug-files in SDK

[Teemu K]

On Thu, Sep 12, 2019 at 1:52 PM Ross Burton <ross.burton at intel.com> wrote:
>
> On 12/09/2019 11:13, Teemu K wrote:
> > Hi,
> >
> > I'm not entirely sure if this is bug or feature.
> >
> > I've created sdk to my image with populate_sdk - command. I noticed
> > that in the SDK the x86_64 - directory is 384MB and that contains all
> > the toolchains etc., but the target side
> > (cortexa9hf-neon-poky-linux-gnueabi) is 5.7GB. Majority of it is in
> > .debug - directories.
> >
> > What causes the confusion here is that I haven't enabled debug-symbols
> > in my local.conf and I don't have any other debug stuff enabled there
> > either. Are those the debug-symbols that can be used to debug software
> > on target with GDB for example? I thought that debug symbol
> > information needs to be separately enabled.
> >
> > If they are not, then can I get rid of them somehow?
>
> SDKIMAGE_FEATURES ??= "dev-pkgs dbg-pkgs src-pkgs
> ${@bb.utils.contains('DISTRO_FEATURES', 'api-documentation', 'doc-pkgs',
> '', d)}"
>
> SDKs by default contain debug symbols, and yes they can be used with gdb
> to debug on target.
>
> If you don't want them in the SDK, remove dbg-pkgs (and src-pkgs whilst
> you're there) from SDKIMAGE_FEATURES.
This is exactly what I was looking for. Thanks for that.

One question is that is there a way to make package that would contain
only dpg-pkgs and src-pkgs? Ie. it'd be like 'debug-addition' for SDK?
I know how to install those things to target, but how to get them to a
package (or in separate directory) to host.

-Teemu Keskinarkaus