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--!A cross-toolchain 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, Xmake Open Source Community.
--
-- @author ruki
-- @file load.lua
--
-- imports
import("core.base.option")
import("core.project.config")
import("core.project.project")
import("private.utils.toolchain", {alias = "toolchain_utils"})
-- main entry
function main(toolchain)
-- set toolset
-- we can use `clang-cl[llvm]` to switch to llvm tools.
local use_llvm = toolchain:config("llvm")
toolchain:set("toolset", "cc", "clang-cl")
toolchain:set("toolset", "cxx", "clang-cl")
toolchain:set("toolset", "dlltool", "llvm-dlltool")
if use_llvm then
toolchain:set("toolset", "mrc", "llvm-rc.exe")
if toolchain:is_arch("x64") then
toolchain:set("toolset", "as", "llvm-ml64.exe")
else
toolchain:set("toolset", "as", "llvm-ml.exe")
end
else
toolchain:set("toolset", "mrc", "rc.exe")
if toolchain:is_arch("x64") then
toolchain:set("toolset", "as", "ml64.exe")
else
toolchain:set("toolset", "as", "ml.exe")
end
end
if use_llvm or project.policy("build.optimization.lto") then
toolchain:set("toolset", "ld", "lld-link")
toolchain:set("toolset", "sh", "lld-link")
toolchain:set("toolset", "ar", "llvm-ar")
else
toolchain:set("toolset", "ld", "link.exe")
toolchain:set("toolset", "sh", "link.exe")
toolchain:set("toolset", "ar", "link.exe")
end
-- add llvm runenvs before adding vsenvs
--
-- The dynamic libraries (DLLs) for Clang ASan and MSVC ASan share the same filename, making them incompatible.
-- Currently, runenvs maybe have Visual Studio environment variables.
-- If the Clang path is not prioritized (placed first), the system incorrectly loads the MSVC ASan DLL, resulting in a runtime failure.
toolchain_utils.add_llvm_runenvs(toolchain)
-- add vs environments
toolchain_utils.add_vsenvs(toolchain)
-- add target flags
local flags = toolchain_utils.get_clang_target_flags(toolchain)
if flags then
toolchain:add("cxflags", flags)
toolchain:add("mxflags", flags)
end
end
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