# $FreeBSD$

DATA1=	helllo
DATA2:=	${DATA1}
DATA3=	${DATA2:S/ll/rr/g}
DATA4:=	${DATA2:S/ll/rr/g}
DATA2?=	allo
DATA5:= ${DATA2:S/ll/ii/g} ${DATA1:S/ll/rr/g}
DATA2=	yello
DATA1:=	${DATA5:S/l/r/g}

all:
	@echo "Running test variables"
	@echo 1:${DATA1} 2:${DATA2} 3:${DATA3} 4:${DATA4} 5:${DATA5} | \
		diff -u ${.CURDIR}/regress.variables.out - || ${MAKE} failure
	@echo "Test variables detected no regression, output matches."
	@echo "Running test targets"
	@${MAKE} double || ${MAKE} failure
	@echo "Test targets detected no regression."

# Doubly-defined targets.  NetBSD make(1) will warn, ours will silently use the
# ``right'' one.
double:
	@true

double:
	@false

failure:
	@echo "Test failed: regression detected.  See above."
	@false