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