[CMake] LINKER_LANGUAGE Fortran C CXX project

[Marie-Christine Vallet]

David Cole wrote:
> Your first one should work. But it should be "CXX" with uppercase X
> characters. 
That is the case, it's just a Typo
> And the value of "TARGET" must be set prior to invoking
> SET_TARGET_PROPERTIES using ${TARGET} -- are you sure the value of
> ${TARGET} is correct...?
>   
How to I fix that?
I tried the project name, and the ${_target} but it did not work either.
I tried set(TARGET myprojectname) and that did not work.
thanks
Marie