depsrc-usebefore.mk revision 1.5
1 1.5 rillig # $NetBSD: depsrc-usebefore.mk,v 1.5 2020/08/22 11:53:18 rillig Exp $ 2 1.1 rillig # 3 1.3 rillig # Tests for the special source .USEBEFORE in dependency declarations, 4 1.3 rillig # which allows to prepend common commands to other targets. 5 1.1 rillig 6 1.3 rillig all: action directly 7 1.1 rillig 8 1.3 rillig first: .USEBEFORE 9 1.5 rillig @echo first 1 # Using ${.TARGET} here would expand to "action" 10 1.5 rillig @echo first 2 # Using ${.TARGET} here would expand to "action" 11 1.3 rillig 12 1.3 rillig second: .USEBEFORE 13 1.5 rillig @echo second 1 14 1.5 rillig @echo second 2 15 1.3 rillig 16 1.5 rillig # It is possible but uncommon to have a .USEBEFORE target with no commands. 17 1.4 rillig # This may happen as the result of expanding a .for loop. 18 1.3 rillig empty: .USEBEFORE 19 1.3 rillig 20 1.5 rillig # It is possible but uncommon to directly make a .USEBEFORE target. 21 1.3 rillig directly: .USEBEFORE 22 1.3 rillig @echo directly 23 1.3 rillig 24 1.3 rillig action: second first empty 25
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