Add a test for what was fixed in revision 1.27 and 1.28 of make(1)'s var.c,
expansion of embedded variables in the left-hand-side of an assignment expression, using the simplest case - hiding recursion using nil-expanded variables.
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=98442
@ -1,5 +1,13 @@
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# $FreeBSD$
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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= ${DATA2:S/ll/rr/g}
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@ -21,6 +29,9 @@ all:
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@echo "Running test sysvmatch"
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@${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 || ${MAKE} failure
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@echo "PASS: Test lhs_expn detected no regression."
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# Doubly-defined targets. NetBSD make(1) will warn, ours will silently use the
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# ``right'' one.
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@ -35,6 +46,12 @@ 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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# 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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@false
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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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@ -1,5 +1,13 @@
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# $FreeBSD$
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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= ${DATA2:S/ll/rr/g}
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@ -21,6 +29,9 @@ all:
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@echo "Running test sysvmatch"
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@${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 || ${MAKE} failure
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@echo "PASS: Test lhs_expn detected no regression."
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# Doubly-defined targets. NetBSD make(1) will warn, ours will silently use the
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# ``right'' one.
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@ -35,6 +46,12 @@ 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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# 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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@false
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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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