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
98
99
100
101
102
103
104
105
106
107
108
109
110
|
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author ruki, Arthapz
-- @file config.lua
--
import("core.project.project")
import("core.base.semver")
import("support")
function main(target)
if support.contains_modules(target) then
-- when jobgraph is policy is set to false, we disable to build across targets in parallel, because the source files may depend on other target modules
-- @see https://github.com/xmake-io/xmake/issues/1858
-- @note this will cause cross-parallel builds to be disabled for all sub-dependent targets,
-- even if some sub-targets do not contain C++ modules.
if not target:policy("build.jobgraph") then
target:set("policy", "build.fence", true)
end
assert(not target:rule("c++.unity_build"), "C++ unity build is not compatible with C++ modules")
-- disable ccache for this target
--
-- Caching can affect incremental compilation, for example
-- by interfering with the results of depfile generation for msvc.
--
-- @see https://github.com/xmake-io/xmake/issues/3000
target:set("policy", "build.ccache", false)
-- load compiler support
support.load(target)
-- mark this target with modules
target:data_set("cxx.has_modules", true)
-- warn about deprecated policies
if target:policy("build.c++.gcc.modules.cxx11abi") then
wprint("build.c++.gcc.modules.cxx11abi is deprecated, please use build.c++.modules.gcc.cxx11abi")
end
if target:policy("build.c++.clang.fallbackscanner") then
wprint("build.c++.clang.fallbackscanner is deprecated, please use build.c++.modules.clang.fallbackscanner")
end
if target:policy("build.c++.gcc.fallbackscanner") then
wprint("build.c++.gcc.fallbackscanner is deprecated, please use build.c++.modules.gcc.fallbackscanner")
end
if target:policy("build.c++.msvc.fallbackscanner") then
wprint("build.c++.msvc.fallbackscanner is deprecated, please use build.c++.modules.msvc.fallbackscanner")
end
if target:policy("build.c++.modules.tryreuse") then
wprint("build.c++.modules.tryreuse is deprecated, please use build.c++.modules.reuse")
end
if target:policy("build.c++.modules.tryreuse.discriminate_on_defines") then
wprint("build.c++.modules.tryreuse.discriminate_on_defines is deprecated, please use build.c++.modules.reuse.strict")
end
-- if containes modules, enable objectfiles output of c++.build.modules.builder
local rule = target:rule("c++.build.modules.builder")
rule = rule:clone()
if rule then
rule:extraconf_set("sourcekinds", "cxx", "objectfiles", true)
target:rule_add(rule)
target:add("files")
end
local memcache = support.memcache()
local targets = memcache:get("targets") or {}
targets[target:fullname()] = {}
targets[target:fullname()].finished_parsing = false
memcache:set("targets", targets)
-- moduleonly modules are implicitly public
if target:is_moduleonly() then
local sourcebatches = target:sourcebatches()
if sourcebatches and sourcebatches["c++.build.modules.scanner"] then
local sourcebatch = sourcebatches["c++.build.modules.scanner"]
for _, sourcefile in ipairs(sourcebatch.sourcefiles) do
target:fileconfig_add(sourcefile, {public = true})
end
end
end
end
end
function insert_stdmodules(target)
if target:data("cxx.has_modules") then
local sourcebatches = target:sourcebatches()
if sourcebatches and sourcebatches["c++.build.modules.scanner"] then
local sourcebatch = sourcebatches["c++.build.modules.scanner"]
sourcebatch.sourcefiles = sourcebatch.sourcefiles or {}
-- add std modules to sourcebatch
local stdmodules = support.get_stdmodules(target)
for _, sourcefile in ipairs(stdmodules) do
table.insert(sourcebatch.sourcefiles, sourcefile)
end
end
end
end
|
