diff options
Diffstat (limited to 'contrib/bmake/unit-tests/dep-double-colon-indep.mk')
| -rw-r--r-- | contrib/bmake/unit-tests/dep-double-colon-indep.mk | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/contrib/bmake/unit-tests/dep-double-colon-indep.mk b/contrib/bmake/unit-tests/dep-double-colon-indep.mk new file mode 100644 index 000000000000..9f004cf88ba2 --- /dev/null +++ b/contrib/bmake/unit-tests/dep-double-colon-indep.mk @@ -0,0 +1,32 @@ +# $NetBSD: dep-double-colon-indep.mk,v 1.1 2020/10/23 19:11:30 rillig Exp $ +# +# Tests for the :: operator in dependency declarations, which allows multiple +# dependency groups with the same target. Each group is evaluated on its own, +# independent of the other groups. +# +# This is useful for targets that are updatable, such as a database or a log +# file. Be careful with parallel mode though, to avoid lost updates and +# other inconsistencies. +# +# The target 1300 depends on 1200, 1400 and 1500. The target 1200 is older +# than 1300, therefore nothing is done for it. The other targets are newer +# than 1300, therefore each of them is made, independently from the other. + +.END: + @rm -f dep-double-colon-1??? + +_!= touch -t 202001011200 dep-double-colon-1200 +_!= touch -t 202001011300 dep-double-colon-1300 +_!= touch -t 202001011400 dep-double-colon-1400 +_!= touch -t 202001011500 dep-double-colon-1500 + +all: dep-double-colon-1300 + +dep-double-colon-1300:: dep-double-colon-1200 + : 'Making 1200 ${.TARGET} from ${.ALLSRC} oodate ${.OODATE}' + +dep-double-colon-1300:: dep-double-colon-1400 + : 'Making 1400 ${.TARGET} from ${.ALLSRC} oodate ${.OODATE}' + +dep-double-colon-1300:: dep-double-colon-1500 + : 'Making 1500 ${.TARGET} from ${.ALLSRC} oodate ${.OODATE}' |