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Update to bmake-20201101
[FreeBSD/FreeBSD.git] / contrib / bmake / unit-tests / ternary.mk
1 # $NetBSD: ternary.mk,v 1.2 2020/10/24 08:34:59 rillig Exp $
2
3 all:
4         @for x in "" A= A=42; do ${.MAKE} -f ${MAKEFILE} show $$x; done
5
6 show:
7         @echo "The answer is ${A:?known:unknown}"
8         @echo "The answer is ${A:?$A:unknown}"
9         @echo "The answer is ${empty(A):?empty:$A}"