Is `meson.source_root()` the project root directory?

Question

Is the directory return by meson.source_root() the project root directory (with the root level meson.build file) or is it the path of the current meson.build file being processed?

Answer 1

The project root directory is obtained with the following meson syntax:

meson.source_root()

The current source directory can be obtained with the following meson syntax:

meson.current_source_dir()