Makefile revision 107374 
1# $FreeBSD: head/tools/build/make_check/Makefile 107374 2002-11-28 13:08:09Z ru $
2
3# Test for broken LHS expansion.
4# This *must* cause make(1) to detect a recursive variable, and fail as such.
5.if make(lhs_expn)
6FOO=		${BAR}
7BAR${NIL}=	${FOO}
8FOO${BAR}=	${FOO}
9.endif
10
11DATA1=	helllo
12DATA2:=	${DATA1}
13DATA3=	${DATA2:S/ll/rr/g}
14DATA4:=	${DATA2:S/ll/rr/g}
15DATA2?=	allo
16DATA5:= ${DATA2:S/ll/ii/g} ${DATA1:S/ll/rr/g}
17DATA2=	yello
18DATA1:=	${DATA5:S/l/r/g}
19NIL=
20
21all:
22	@echo "Running test variables"
23	@echo 1:${DATA1} 2:${DATA2} 3:${DATA3} 4:${DATA4} 5:${DATA5} | \
24		diff -u ${.CURDIR}/regress.variables.out - || ${MAKE} failure
25	@echo "PASS: Test variables detected no regression, output matches."
26	@echo "Running test targets"
27	@${MAKE} double || ${MAKE} failure
28	@echo "PASS: Test targets detected no regression."
29	@echo "Running test sysvmatch"
30	@${MAKE} sysvmatch || ${MAKE} failure
31	@echo "PASS: Test sysvmatch detected no regression."
32	@echo "Running test lhs_expn"
33	@! ${MAKE} lhs_expn && true || ${MAKE} failure
34	@echo "PASS: Test lhs_expn detected no regression."
35	@echo "Running test notdef"
36	@${MAKE} notdef || ${MAKE} failure
37	@echo "PASS: Test notdef detected no regression."
38	@echo "Running test modifiers"
39	@${MAKE} modifiers || ${MAKE} failure
40	@echo "PASS: Test modifiers detected no regression."
41
42.if make(double)
43# Doubly-defined targets.  make(1) will warn, but use the "right" one.  If it
44# switches to using the "non-right" one, it breaks things worse than a little
45# regression test.
46double:
47	@true
48
49double:
50	@false
51.endif
52
53.if make(sysvmatch)
54# Some versions of FreeBSD make(1) do not handle a nil LHS in sysvsubst.
55sysvmatch:
56	@echo EMPTY ${NIL:=foo} LHS | \
57		diff -u ${.CURDIR}/regress.sysvmatch.out - || false
58.endif
59
60# A bogus target for the lhs_expn test;  If this is reached, then the make(1)
61# program has not errored out because of the recursion caused by not expanding
62# the left-hand-side's embedded variables above.
63lhs_expn:
64	@true
65
66.if make(notdef)
67# make(1) claims to only evaluate a conditional as far as is necessary
68# to determine its value; that was not always the case.
69.undef notdef
70notdef:
71.if defined(notdef) && ${notdef:U}
72.endif
73.endif
74
75.if make(modifiers)
76# See if make(1) supports the C modifier.
77modifiers:
78	@if ${MAKE} -V .CURDIR:C/.// 2>&1 >/dev/null | \
79	    grep -q "Unknown modifier 'C'"; then \
80		false; \
81	fi
82.endif
83
84failure:
85	@echo "FAIL: Test failed: regression detected.  See above."
86	@false
87