# $NetBSD: depsrc-use.mk,v 1.6 2022/04/18 14:38:24 rillig Exp $ # # Tests for the special source .USE in dependency declarations, # which allows to append common commands to other targets. # # See also: # .USEBEFORE # depsrc-usebefore.mk # Before make.h 1.280 from 2021-12-28, a .USEBEFORE target was accidentally # regarded as a candidate for the main target. On the other hand, a .USE # target was not. not-a-main-candidate: .USE all: action directly first: .USE first-first first-second @echo first 1 # Using ${.TARGET} here would expand to "action" @echo first 2 first-first: .USE @echo first-first 1 @echo first-first 2 first-second: .USE @echo first-second 1 @echo first-second 2 second: .USE @echo second 1 @echo second 2 # It's possible but uncommon to have a .USE target with no commands. # This may happen as the result of expanding a .for loop. empty: .USE # It's possible but uncommon to directly make a .USE target. directly: .USE @echo directly action: first second empty