This package generates a .clang_complete file at your project's root folder. The .clang_complete file is used by some other packages like Autocomplete Clang to know where to look for the source files and be able to use the go-to functionality (F3 by default)
Use either of the following options
You will see it appear at your project's root folder
Note: I have only tested this in MAC. It might work with Windows and Linux but not warranties.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.