[yocto] ADT/SDK and cmake - generating the toolchain/cmake config

[Philip Balister]

On 04/01/2014 09:22 AM, Jonathan Austin wrote:
> Hi all,
> 
> The ADT documentation walks you through building an 'app' using
> autoconf/make, and the environment setup script that is created as part
> of the SDK build contains all the necessary autofoo/environment
> variables. This is great, and I've worked through the autotools example
> happily. Thanks :)
> 
> What I can't find, though, is anything that does the equivalent for
> cmake. I'm new to cmake so could be missing something obvious, but after
> seeing the 'environment-setup-TARGET' files (the ones at
> /opt/poky/1.5.1/) I thought there might also be a cmake toolchain file
> (toolchain-TARGET.cmake, for example) or some other cmake-foo.
> 
> I can see that cmake support was merged for Eclipse/ADT, so it seems
> like cmake could be supported 'outside the IDE', but I can't quite see
> how what I ought to twiddle to do this. I found the tantalizingly named
> 'cmake_do_generate_toolchain_file()' and all the other relevant stuff in
> meta/classes/cmake.bbclass, but I don't know what the 'right' way to
> propagate all that stuff into the SDK/ADT would be.
> 
> Any help with getting started would be greatly appreciated.

This toolchain file builds gnuradio from an SDK:

https://github.com/gnuradio/gnuradio/blob/master/cmake/Toolchains/oe-sdk_cross.cmake

Does this help?

Philip

> 
> Thanks
> Jonny
>