freebsd-dev/tools/build/make_check/Makefile
2002-06-20 03:08:20 +00:00

58 lines
1.6 KiB
Makefile

# $FreeBSD$
# Test for broken LHS expansion.
# This *must* case make(1) to detect a recursive variable, and fail as such.
.if make(lhs_expn)
FOO= ${BAR}
BAR${NIL}= ${FOO}
FOO${BAR}= ${FOO}
.endif
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:= ${DATA5:S/l/r/g}
NIL=
all:
@echo "Running test variables"
@echo 1:${DATA1} 2:${DATA2} 3:${DATA3} 4:${DATA4} 5:${DATA5} | \
diff -u ${.CURDIR}/regress.variables.out - || ${MAKE} failure
@echo "PASS: Test variables detected no regression, output matches."
@echo "Running test targets"
@${MAKE} double || ${MAKE} failure
@echo "PASS: Test targets detected no regression."
@echo "Running test sysvmatch"
@${MAKE} sysvmatch || ${MAKE} failure
@echo "PASS: Test sysvmatch detected no regression."
@echo "Running test lhs_expn"
@! ${MAKE} lhs_expn && true || ${MAKE} failure
@echo "PASS: Test lhs_expn detected no regression."
# Doubly-defined targets. NetBSD make(1) will warn, ours will silently use the
# ``right'' one.
double:
@true
double:
@false
# Some versions of FreeBSD make(1) do not handle a nil LHS in sysvsubst.
sysvmatch:
@echo EMPTY ${NIL:=foo} LHS | \
diff -u ${.CURDIR}/regress.sysvmatch.out - || false
# A bogus target for the lhs_expn test; If this is reached, then the make(1)
# program has not errored out because of the recursion caused by not expanding
# the left-hand-side's embedded variables above.
lhs_expn:
@true
failure:
@echo "FAIL: Test failed: regression detected. See above."
@false