blob: b3435daa3514f109f6dfa3558ce079c0e46e13eb (
plain)
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
94
95
96
97
|
# Copyright 2002-2017 Rene Rivera
# Copyright 2002-2017 Vladimir Prus
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
import "class" : new ;
import generators ;
class searched-lib-generator : generator
{
import property-set ;
rule __init__ ( )
{
# The requirements cause the generators to be tried *only* when we are
# building a lib target with a 'search' feature. This seems ugly --- all
# we want is to make sure searched-lib-generator is not invoked deep
# inside transformation search to produce intermediate targets.
generator.__init__ searched-lib-generator : : SEARCHED_LIB ;
}
rule run ( project name ? : property-set : sources * )
{
if $(name)
{
# If 'name' is empty, it means we have not been called to build a
# top-level target. In this case, we just fail immediately, because
# searched-lib-generator cannot be used to produce intermediate
# targets.
local properties = [ $(property-set).raw ] ;
local shared ;
if <link>shared in $(properties)
{
shared = true ;
}
local search = [ feature.get-values <search> : $(properties) ] ;
local a = [ new null-action [ $(property-set).add-raw <relevant>link ] ] ;
local lib-name = [ feature.get-values <name> : $(properties) ] ;
lib-name ?= $(name) ;
local t = [ new searched-lib-target $(lib-name) : $(project)
: $(shared) : $(search) : $(a) ] ;
# We return sources for a simple reason. If there is
# lib png : z : <name>png ;
# the 'z' target should be returned, so that apps linking to 'png'
# will link to 'z', too.
return [ property-set.create <xdll-path>$(search) <relevant>link ]
[ virtual-target.register $(t) ] $(sources) ;
}
}
}
generators.register [ new searched-lib-generator ] ;
class searched-lib-target : abstract-file-target
{
rule __init__ ( name
: project
: shared ?
: search *
: action
)
{
abstract-file-target.__init__ $(name) : SEARCHED_LIB : $(project)
: $(action) : ;
self.shared = $(shared) ;
self.search = $(search) ;
}
rule shared ( )
{
return $(self.shared) ;
}
rule search ( )
{
return $(self.search) ;
}
rule actualize-location ( target )
{
NOTFILE $(target) ;
}
rule relevant ( )
{
return [ property-set.create <relevant>link ] ;
}
rule path ( )
{
}
}
|
