[cmake-developers] CMake scripting mod & linker language error

[Alexander Neundorf]

On Saturday 26 March 2011, Wolfgang Steiner wrote:
> Hi CMake people,
>
> first off I'd like to thank the devs for such a great tool, you've done an
> awesome job with this project ;)
>
> I'm currently trying to do a cmake mod based on the latest Git head.
> Basically I'm trying to add an alternative scripting language to work
> side-by-side with the original cmake macro language.
> Up to now everything worked out quite well. To read my alternative list
> file I have modded the "cmMakefile::ReadListFile" method, but now I'm
> getting the following error if I try to generate a minimal sample
> project...
>
> CMake Error: CMake can not determine linker language for target:helloDemo
>
> It looks like I'm missing some initialization in my code that is necessary
> to retrieve the linker language when adding an executable via
> "add_executable" (since this is what I'm trying in my minimal sample).
> Anyone any ideas what I could be doing wrong or where I should be looking
> for in the code?
>
> PS: for the sake of completeness, here's my script code that I'm using to
> produce the mentioned problem, as you can see it's really a very simple
> test...
>
> void main()
> {
> // set the project name
> Project.Name = "HELLO";
>
> string[] files = { "demo/demo.cxx" };
> Target.Executable("helloDemo", files);
> }
>
> Any help would be very appreciated,
> cheers
Here you can find code from trying to use lua as scripting language for cmake:
http://www.itk.org/Wiki/CMake:Experiments_With_Lua

Maybe this helps.

Alex