fontspec error when compiling bfhthesis example

$ latexmk -pvc
...
! Fatal Package fontspec Error: The fontspec package requires either XeTeX or
(fontspec)                      LuaTeX.
(fontspec)                      
(fontspec)                      You must change your typesetting engine to,
(fontspec)                      e.g., "xelatex" or "lualatex"instead of
(fontspec)                      "latex" or "pdflatex".

Type <return> to continue.
 ...                                              
                                                  
l.45 \msg_fatal:nn {fontspec} {cannot-use-pdftex}
...