1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
# $NetBSD: dir.mk,v 1.7 2020/10/31 21:30:03 rillig Exp $
#
# Tests for dir.c.
.MAKEFLAGS: -m / # hide /usr/share/mk from the debug log
# Dependency lines may use braces for expansion.
# See DirExpandCurly for the implementation.
all: {one,two,three}
# XXX: The above dependency line is parsed as a single node named
# "{one,two,three}". There are no individual targets "one", "two", "three"
# yet. The node exists but is not a target since it never appeared
# on the left-hand side of a dependency operator. However, it is listed
# in .ALLTARGETS (which lists all nodes, not only targets).
.if target(one)
. error
.endif
.if target({one,two,three})
. error
.endif
.if ${.ALLTARGETS:M{one,two,three}} != "{one,two,three}"
. error
.endif
one:
: 1
two:
: 2
three:
: 3
# The braces may start in the middle of a word.
all: f{our,ive}
four:
: 4
five:
: 5
six:
: 6
# Nested braces work as expected since 2020-07-31 19:06 UTC.
# They had been broken at least since 2003-01-01, probably even longer.
all: {{thi,fou}r,fif}teen
thirteen:
: 13
fourteen:
: 14
fifteen:
: 15
# There may be multiple brace groups side by side.
all: {pre-,}{patch,configure}
pre-patch patch pre-configure configure:
: $@
# Empty pieces are allowed in the braces.
all: {fetch,extract}{,-post}
fetch fetch-post extract extract-post:
: $@
# The expansions may have duplicates.
# These are merged together because of the dependency line.
all: dup-{1,1,1,1,1,1,1}
dup-1:
: $@
# Other than in Bash, the braces are also expanded if there is no comma.
all: {{{{{{{{{{single-word}}}}}}}}}}
single-word:
: $@
# Demonstrate debug logging for filename expansion, especially curly braces.
.MAKEFLAGS: -dd
# The below line does not call Dir_Expand yet.
# It is expanded only when necessary, that is, when the 'debug' target is
# indeed made.
debug: {{thi,fou}r,fif}twen
# Therefore, keep the debug logging active.
.PHONY: one two three four five six
.PHONY: thirteen fourteen fifteen
.PHONY: single-word
.PHONY: pre-patch patch pre-configure configure
.PHONY: fetch fetch-post extract extract-post
.PHONY: dup-1 single-word
.PHONY: all
|
