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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, Xmake Open Source Community.
--
-- @author w568w
-- @file check_target.lua
--
-- imports
import("lib.detect.find_tool")
-- get rustc supported targets
--
-- @return the supported target list. If rustc not found, return nil
function _get_rustc_supported_target()
local rustc = find_tool("rustc")
if not rustc then
return nil
end
local output = os.iorunv(rustc.program, {"--print", "target-list"})
return output:split('\n')
end
-- check whether the target is supported by rustc
--
-- @param arch the target name, e.g. x86_64-unknown-linux-gnu
-- @param precise whether to check the target precisely (i.e. check by rustc), otherwise only by syntax
--
-- @return true if arch != nil and the target is supported by rustc, otherwise false
function main(arch, precise)
if not arch then
return false
end
-- 1: check by syntax
local result = false
local archs = arch:split("%-")
if #archs >= 2 then
result = true
else
wprint("the arch \"%s\" is NOT a valid target triple, will be IGNORED and may cause compilation errors, please check it again", arch)
end
-- 2: check by rustc
if not precise then
return result
end
result = false
local rustc_supported_target = _get_rustc_supported_target()
if rustc_supported_target then
for _, v in ipairs(rustc_supported_target) do
if v == arch then
result = true
break
end
end
if not result then
wprint("the arch \"%s\" is NOT supported by rustc, will be IGNORED and may cause compilation errors, please check it again", arch)
end
end
return result
end
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