1# $NetBSD: dep-double-colon-indep.mk,v 1.1 2020/10/23 19:11:30 rillig Exp $ 2# 3# Tests for the :: operator in dependency declarations, which allows multiple 4# dependency groups with the same target. Each group is evaluated on its own, 5# independent of the other groups. 6# 7# This is useful for targets that are updatable, such as a database or a log 8# file. Be careful with parallel mode though, to avoid lost updates and 9# other inconsistencies. 10# 11# The target 1300 depends on 1200, 1400 and 1500. The target 1200 is older 12# than 1300, therefore nothing is done for it. The other targets are newer 13# than 1300, therefore each of them is made, independently from the other. 14 15.END: 16 @rm -f dep-double-colon-1??? 17 18_!= touch -t 202001011200 dep-double-colon-1200 19_!= touch -t 202001011300 dep-double-colon-1300 20_!= touch -t 202001011400 dep-double-colon-1400 21_!= touch -t 202001011500 dep-double-colon-1500 22 23all: dep-double-colon-1300 24 25dep-double-colon-1300:: dep-double-colon-1200 26 : 'Making 1200 ${.TARGET} from ${.ALLSRC} oodate ${.OODATE}' 27 28dep-double-colon-1300:: dep-double-colon-1400 29 : 'Making 1400 ${.TARGET} from ${.ALLSRC} oodate ${.OODATE}' 30 31dep-double-colon-1300:: dep-double-colon-1500 32 : 'Making 1500 ${.TARGET} from ${.ALLSRC} oodate ${.OODATE}' 33