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--!A cross-platform build utility based on Lua
--
-- 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, TBOOX Open Source Group.
--
-- @author ruki, Arthapz
-- @file config.lua
--
import("support")
function main(target)
-- 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
if support.contains_modules(target) then
-- unity build can't work with modules
assert(not target:rule("c++.unity_build"), "C++ unity build is not compatible with C++ modules")
-- @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.
--
-- maybe we will have a more fine-grained configuration strategy to disable it in the future.
target:set("policy", "build.fence", true)
-- 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)
-- moduleonly modules are implicitly public
if target:is_moduleonly() then
local sourcebatch = target:sourcebatches()["c++.build.modules.builder"]
if sourcebatch then
for _, sourcefile in ipairs(sourcebatch.sourcefiles) do
target:fileconfig_add(sourcefile, {public = true})
end
end
end
end
end
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