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1#                                                                    -*-perl-*-
2$description = "Test order-only prerequisites.";
3
4$details = "\
5Create makefiles with various combinations of normal and order-only
6prerequisites and ensure they behave properly.  Test the \$| variable.";
7
8# TEST #0 -- Basics
9
10run_make_test('
11%r: | baz ; @echo $< $^ $|
12bar: foo
13foo:;@:
14baz:;@:',
15              '', "foo foo baz\n");
16
17# TEST #1 -- First try: the order-only prereqs need to be built.
18
19run_make_test(q!
20foo: bar | baz
21	@echo '$$^ = $^'
22	@echo '$$| = $|'
23	touch $@
24
25.PHONY: baz
26
27bar baz:
28	touch $@!,
29              '', "touch bar\ntouch baz\n\$^ = bar\n\$| = baz\ntouch foo\n");
30
31
32# TEST #2 -- now we do it again: baz is PHONY but foo should _NOT_ be updated
33
34run_make_test(undef, '', "touch baz\n");
35
36unlink(qw(foo bar baz));
37
38# TEST #3 -- Make sure the order-only prereq was promoted to normal.
39
40run_make_test(q!
41foo: bar | baz
42	@echo '$$^ = $^'
43	@echo '$$| = $|'
44	touch $@
45
46foo: baz
47
48.PHONY: baz
49
50bar baz:
51	touch $@!,
52              '', "touch bar\ntouch baz\n\$^ = bar baz\n\$| = \ntouch foo\n");
53
54
55# TEST #4 -- now we do it again
56
57run_make_test(undef, '', "touch baz\n\$^ = bar baz\n\$| = \ntouch foo\n");
58
59unlink(qw(foo bar baz));
60
61# Test empty normal prereqs
62
63# TEST #5 -- make sure the parser was correct.
64
65run_make_test(q!
66foo:| baz
67	@echo '$$^ = $^'
68	@echo '$$| = $|'
69	touch $@
70
71.PHONY: baz
72
73baz:
74	touch $@!,
75              '', "touch baz\n\$^ = \n\$| = baz\ntouch foo\n");
76
77# TEST #6 -- now we do it again: this time foo won't be built
78
79run_make_test(undef, '', "touch baz\n");
80
81unlink(qw(foo baz));
82
83# Test order-only in pattern rules
84
85# TEST #7 -- make sure the parser was correct.
86
87run_make_test(q!
88%.w : %.x | baz
89	@echo '$$^ = $^'
90	@echo '$$| = $|'
91	touch $@
92
93all: foo.w
94
95.PHONY: baz
96foo.x baz:
97	touch $@!,
98              '',
99              "touch foo.x\ntouch baz\n\$^ = foo.x\n\$| = baz\ntouch foo.w\n");
100
101# TEST #8 -- now we do it again: this time foo.w won't be built
102
103run_make_test(undef, '', "touch baz\n");
104
105unlink(qw(foo.w foo.x baz));
106
107# TEST #9 -- make sure that $< is set correctly in the face of order-only
108# prerequisites in pattern rules.
109
110run_make_test('
111%r: | baz ; @echo $< $^ $|
112bar: foo
113foo:;@:
114baz:;@:',
115              '', "foo foo baz\n");
116
117
1181;
119