[yocto] populate_sdk and kernel headers

[Benjamin Fleming]

Ok,
Well I can live with the complete source being in the SDK. 

Thank you for the help
-Ben

> -----Original Message-----
> From: Bruce Ashfield [mailto:bruce.ashfield at windriver.com]
> Sent: Wednesday, July 08, 2015 10:20 AM
> To: Benjamin Fleming; Andre McCurdy
> Cc: yocto at yoctoproject.org
> Subject: Re: [yocto] populate_sdk and kernel headers
> 
> On 2015-07-08 1:05 PM, Benjamin Fleming wrote:
> > Ok,
> > adding kernel-devsrc to my IMAGE_INSTALL caused the kernel source to
> be included in the SDK. Unfortunately, it is now also included in the target
> image.
> > I found adding kernel-devsrc instead to TOOLCHAIN_TARGET_TASK gave
> me
> > what I wanted (/usr/src/kernel in the SDK but NOT in the target image)
> >
> > Also, I really only need the kernel headers (similar to the linux-headers
> packages in Ubuntu) for developing out-of-source kernel modules. Is there is
> a different package I should be using?
> >
> 
> The linux-libc-headers are the uapi exported headers, but as for the source
> for module builds, it is currently unified in the kernel-devsrc package.
> 
> We have a long history with the packaging of the sources, and what to export
> where .. and even the ordering of that packaging. So while splitting out the
> headers may seem simple, it requires a bit more finesse of getting the
> headers, the right amount of script and Kbuild support to get it exactly right.
> 
> By keeping the two together, we ensure that we have enough to meet all
> development tasks.
> 
> There are some enhancements for this in flight for the 1.9 release, so it is
> something that we are considering .. just keeping those existing use cases
> and workflows from breaking is the sticky part.
> 
> Cheers,
> 
> Bruce
> 
> > Thanks,
> > Ben
> >
> >> -----Original Message-----
> >> From: Andre McCurdy [mailto:armccurdy at gmail.com]
> >> Sent: Tuesday, July 07, 2015 5:54 PM
> >> To: Benjamin Fleming
> >> Cc: yocto at yoctoproject.org
> >> Subject: Re: [yocto] populate_sdk and kernel headers
> >>
> >> On Tue, Jul 7, 2015 at 4:16 PM, Benjamin Fleming
> >> <bfleming at meteorcomm.com> wrote:
> >>> Hello,
> >>> I want my kernel headers to be included in the SDK output when I run
> >> bitbake myimage -c populate_sdk. I expect to see the headers in my
> >> installed SDK folder such as
> >> <sdk>/sysroot/<target_mach>/usr/src/kernel; however, I don't see
> >> anything there. Also, I don't want the headers appearing on the target.
> >>>
> >>> In my recipe I have added IMAGE_INSTALL += kernel-modules, and
> >>> SDKIMAGE_FEATURES += kernel-devsrc.  The kernel I'm using is
> >>> linux-altera-ltsi-rt from
> >>> https://github.com/kraj/meta-altera/blob/master/recipes-kernel/linux
> >>> /l
> >>> inux-altera-ltsi-rt_3.10.bb
> >>> What am I missing?
> >>
> >> Try adding kernel-devsrc to IMAGE_INSTALL rather than
> >> SDKIMAGE_FEATURES.
> >>
> >>> Thanks,
> >>>
> >>> Ben
> >>> --
> >>> _______________________________________________
> >>> yocto mailing list
> >>> yocto at yoctoproject.org
> >>> https://lists.yoctoproject.org/listinfo/yocto