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# $FreeBSD$
# Test for broken LHS expansion.
# This *must* cause 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 2>/dev/null || ${MAKE} failure
@echo "PASS: Test targets detected no regression."
@echo "Running test sysvmatch"
@${MAKE} sysvmatch || ${MAKE} failure
@echo "PASS: Test sysvmatch detected no regression."
@echo "Running test lhs_expn"
@! ${MAKE} lhs_expn && true || ${MAKE} failure
@echo "PASS: Test lhs_expn detected no regression."
@echo "Running test notdef"
@${MAKE} notdef || ${MAKE} failure
@echo "PASS: Test notdef detected no regression."
@echo "Running test modifiers"
@${MAKE} modifiers || ${MAKE} failure
@echo "PASS: Test modifiers detected no regression."
@echo "Running test funny_targets"
@${MAKE} funny_targets || ${MAKE} failure
@echo "PASS: Test funny_targets detected no regression."
.if make(double)
# Doubly-defined targets. make(1) will warn, but use the "right" one. If it
# switches to using the "non-right" one, it breaks things worse than a little
# regression test.
double:
@true
double:
@false
.endif
.if make(sysvmatch)
# 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
.endif
# 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
.if make(notdef)
# make(1) claims to only evaluate a conditional as far as is necessary
# to determine its value; that was not always the case.
.undef notdef
notdef:
.if defined(notdef) && ${notdef:U}
.endif
.endif
.if make(modifiers)
# See if make(1) supports the C modifier.
modifiers:
@if ${MAKE} -V .CURDIR:C/.// 2>&1 >/dev/null | \
grep -q "Unknown modifier 'C'"; then \
false; \
fi
.endif
.if make(funny_targets)
funny_targets: colons::target exclamation!target
colons::target:
exclamation!target:
.endif
failure:
@echo "FAIL: Test failed: regression detected. See above."
@false
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