1# This is part of `prelude.mk`, split out for organizational purposes. 2# !!! NOTHING EAGER IS ALLOWED TO HAPPEN IN THIS FILE !!! 3 4# 5# Boolean support 6 7# $(TRUE) is a non-empty string; $(FALSE) is an empty string. 8TRUE = T 9FALSE = 10 11# Usage: $(call not,BOOL) 12not = $(if $1,$(FALSE),$(TRUE))