depsrc-use.mk revision 1.6
1 1.6 rillig # $NetBSD: depsrc-use.mk,v 1.6 2022/04/18 14:38:24 rillig Exp $ 2 1.1 rillig # 3 1.3 rillig # Tests for the special source .USE in dependency declarations, 4 1.3 rillig # which allows to append common commands to other targets. 5 1.6 rillig # 6 1.6 rillig # See also: 7 1.6 rillig # .USEBEFORE 8 1.6 rillig # depsrc-usebefore.mk 9 1.1 rillig 10 1.5 rillig # Before make.h 1.280 from 2021-12-28, a .USEBEFORE target was accidentally 11 1.5 rillig # regarded as a candidate for the main target. On the other hand, a .USE 12 1.5 rillig # target was not. 13 1.5 rillig not-a-main-candidate: .USE 14 1.5 rillig 15 1.3 rillig all: action directly 16 1.1 rillig 17 1.6 rillig first: .USE first-first first-second 18 1.4 rillig @echo first 1 # Using ${.TARGET} here would expand to "action" 19 1.4 rillig @echo first 2 20 1.6 rillig first-first: .USE 21 1.6 rillig @echo first-first 1 22 1.6 rillig @echo first-first 2 23 1.6 rillig first-second: .USE 24 1.6 rillig @echo first-second 1 25 1.6 rillig @echo first-second 2 26 1.3 rillig 27 1.3 rillig second: .USE 28 1.4 rillig @echo second 1 29 1.4 rillig @echo second 2 30 1.3 rillig 31 1.3 rillig # It's possible but uncommon to have a .USE target with no commands. 32 1.3 rillig # This may happen as the result of expanding a .for loop. 33 1.3 rillig empty: .USE 34 1.3 rillig 35 1.6 rillig # It's possible but uncommon to directly make a .USE target. 36 1.3 rillig directly: .USE 37 1.3 rillig @echo directly 38 1.3 rillig 39 1.3 rillig action: first second empty 40
Indexes created Wed Oct 01 15:09:59 GMT 2025