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author | jmallett <jmallett@FreeBSD.org> | 2002-06-19 18:57:04 +0000 |
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committer | jmallett <jmallett@FreeBSD.org> | 2002-06-19 18:57:04 +0000 |
commit | 0aad4a7f96851b06b7407e975d2cd23190e57ab9 (patch) | |
tree | 5297262e6d190edd8151bbe7c40dd566e9dce872 /tools/build/make_check | |
parent | f27248e5ba91fe3e6b2dbd676475ecb826ee7b24 (diff) | |
download | FreeBSD-src-0aad4a7f96851b06b7407e975d2cd23190e57ab9.zip FreeBSD-src-0aad4a7f96851b06b7407e975d2cd23190e57ab9.tar.gz |
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.
Diffstat (limited to 'tools/build/make_check')
-rw-r--r-- | tools/build/make_check/Makefile | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/build/make_check/Makefile b/tools/build/make_check/Makefile index 14708b3..f92febc 100644 --- a/tools/build/make_check/Makefile +++ b/tools/build/make_check/Makefile @@ -1,5 +1,13 @@ # $FreeBSD$ +# 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= ${DATA2:S/ll/rr/g} @@ -21,6 +29,9 @@ all: @echo "Running test sysvmatch" @${MAKE} sysvmatch || ${MAKE} failure @echo "PASS: Test sysvmatch detected no regression." + @echo "Running test lhs_expn" + @${MAKE} lhs_expn || ${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. @@ -35,6 +46,12 @@ 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: + @false + failure: @echo "FAIL: Test failed: regression detected. See above." @false |