We can include in scripts the code needed to source the library at run–time or the whole library itself.
Expands into the contents of the library file. The selected library is the one used by the
mbflpp.sh itself. The resulting output script does not need to load
the library at runtime; let’s say it is “statically linked”.
Expand to a block of code that reliably loads the MBFL library. The optional argument hardcoded_pathname must be the absolute pathname to a file containing the library itself. overview reliable for details.