We don't want to copy the file into the build directory, we want to
install it. That's what install_data is for.
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/2924
Fixes: 56ccea58ae7f6fd56cf4a1697d2cceb68866b552
       ("vulkan/overlay: Add basic overlay control script.")
Acked-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4740>
   install_dir : join_paths(get_option('datadir'), 'vulkan', 'explicit_layer.d'),
 )
 
-configure_file(
-  input : files('mesa-overlay-control.py'),
-  output : '@PLAINNAME@',
-  configuration : configuration_data(), # only copy the file
-  install_dir: get_option('bindir'),
+install_data(
+  'mesa-overlay-control.py',
+  install_dir : get_option('bindir'),
+  install_mode : 'r-xr-xr-x',
 )