[CMake] Trouble with Variable in installation

[Pierre-Julien Villoud]

Hi everyone,

I'd like to do the following for my install target :

"make install Lang=en_US" and in my CMakeLists.txt : install(FILES language/$ENV{Lang} ...) so that at each call of make install with a defined variable, it calls the install target with the good path and when I call just "make install" it calls the install target with Lang=en_US.

My problem is that the variable is replaced when the cmake is called so when I call "make install Lang=xx", the variable is empty. Is there a way to tell cmake to replace the variable with the current value (i.e at the make call) instead of the value at the cmake call ?

And apparently you can't define a custom target and do : add-dependencies(install myCustomTarget) (it says that the target doesn't exist).

Thanks in advance

Pierre-Julien
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