[CMake] how to set the executable flag on a file ?

[Brad King]

Gaetan Lehmann wrote:
> In our project, with CONFIGURE_FILE() macro, we are configuring the 
> paths  in a script.
> How can we set the executable flag on this script, both for file in 
> build  tree and installed one ?

Currently you have to make sure the input file has the proper 
permissions to get it working in the build tree, which will then also 
get it working in the install tree.

-Brad