The _FILE_ macro does embedd the full build path into the binary. This leads to non-reproducible builds as the build path might be:
/home/rforlot/build/x/y/z
vs.
/home/jsmoeller/AGL/a/b/c

Options:

https://stackoverflow.com/questions/31050113/how-to-extract-the-source-filename-without-path-and-suffix-at-compile-time