[CMake] multi core project

[Eric Noulard]

2013/11/11 Arne Pagel <arne at pagelnet.de>:
> Dear all,
>
> I am using cmake for an embedded environment where I now have to add multi core support.
>
> In this case I have a Controller with up to 4 different cores!
> There is for example one core dedicated for fast peripheral access,
> one core for with additional dsp instructions and so on.
> For 3 Controllers I can use the same C Compiler, but with different Compiler Options,
> for the 4th core I even have to involve a different Compiler.
>
> What I see so far for this controllers are the use of hand made makefiles.
> Lets say there are four source directories, with more or less independent makefiles,
> later the output files are merged.
> (btw. does anyone know an elf merging tool? So far I use a very simple approach based on libelf,
> producing an hex file)
>
> Finally all these Cores are accessing the same flash area, and I need one final executable after my
> build process.
> Since there is a big dependency between the cores and code reallocation between the cores will
> happen quite often in the future, I want to treat everything as one project.
>
> So basically in cmake I need target dependent compiler options and toolchains.
>
>
> Does anyone have an Idea how to setup this with cmake in a smart way?

I guess this is unsupported yet see:
http://public.kitware.com/Bug/view.php?id=14539




-- 
Erk
L'élection n'est pas la démocratie -- http://www.le-message.org