blob: 4e5752c97184cfbc893d7892f2b742bd0b7b269d (
plain) (
blame)
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
|
# $NetBSD: depsrc.mk,v 1.5 2021/12/13 23:38:54 rillig Exp $
#
# Tests for special sources (those starting with a dot, followed by
# uppercase letters) in dependency declarations, such as '.PHONY'.
# TODO: Implementation
# TODO: Test 'target: ${:U.SILENT}'
# Demonstrate when exactly undefined variables are expanded in a dependency
# declaration.
target: .PHONY source-${DEFINED_LATER}
#
DEFINED_LATER= later
#
source-: .PHONY
# This section applies.
: 'Undefined variables are expanded directly in the dependency'
: 'declaration. They are not preserved and maybe expanded later.'
: 'This is in contrast to local variables such as $${.TARGET}.'
source-later: .PHONY
# This section doesn't apply.
: 'Undefined variables are tried to be expanded in a dependency'
: 'declaration. If that fails because the variable is undefined,'
: 'the expression is preserved and tried to be expanded later.'
# Sources that look like keywords but are not known are interpreted as
# ordinary sources.
target: .UNKNOWN
.UNKNOWN:
: Making ${.TARGET} from ${.ALLSRC:S,^$,nothing,W}.
|
