On 9/20/17 8:18 PM, Takashi Matsuzawa wrote: > Hello. > I am seeing some of the recipes contains lines like below. > >> COMPATIBLE_MACHINE = "(-)" > > Sorry being novice, but what is the intended effect of this line? > I can see submit comments that this is for blacklisting but I am not > sure how it works. It simply means a '-' letter? COMAPTIBLE_MACHINE uses regexp syntax