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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 ruki
-- @file find_platform.lua
--
-- imports
import("core.project.config")
import("core.project.project")
import("detect.sdks.find_cross_toolchain")
-- find platform
function _find_plat(plat)
plat = plat or config.get("plat")
if not plat then
if not plat then
plat = project.get("defaultplat")
end
if not plat then
plat = os.subhost()
end
if plat == "msys" then
local msystem = os.getenv("MSYSTEM")
if msystem and msystem:lower():find("mingw", 1, true) then
plat = "mingw"
end
end
end
return plat
end
-- find architecture for cross platform
function _find_arch_from_cross()
local cross = config.get("cross")
if not cross then
local cross_toolchain = find_cross_toolchain(config.get("sdk"), {bindir = config.get("bin")})
if cross_toolchain then
cross = cross_toolchain.cross
end
end
local arch = "none"
if cross then
if cross:find("aarch64", 1, true) then
arch = "arm64"
elseif cross:find("arm", 1, true) then
arch = "arm"
elseif cross:find("mips64", 1, true) then
arch = "mips64"
elseif cross:find("mips", 1, true) then
arch = "mips"
elseif cross:find("riscv64", 1, true) then
arch = "riscv64"
elseif cross:find("riscv", 1, true) then
arch = "riscv"
elseif cross:find("loong64", 1, true) then
arch = "loong64"
elseif cross:find("s390x", 1, true) then
arch = "s390x"
elseif cross:find("powerpc64", 1, true) then
arch = "ppc64"
elseif cross:find("powerpc", 1, true) then
arch = "ppc"
elseif cross:find("sh4", 1, true) then
arch = "sh4"
elseif cross:find("x86_64", 1, true) then
arch = "x86_64"
elseif cross:find("i386", 1, true) or cross:find("i686", 1, true) then
arch = "i386"
end
end
return arch
end
-- find architecture
function _find_arch(plat, arch)
arch = arch or config.get("arch")
if not arch then
if not arch then
arch = project.default_arch(plat)
end
if not arch then
local appledev = config.get("appledev")
if plat == "android" then
arch = "armeabi-v7a"
elseif plat == "iphoneos" or plat == "appletvos" or plat == "applexros" then
arch = appledev == "simulator" and os.arch() or "arm64"
elseif plat == "watchos" then
arch = appledev == "simulator" and os.arch() or "armv7k"
elseif plat == "wasm" then
arch = "wasm32"
elseif plat == "mingw" then
local mingw_chost = nil
if is_subhost("msys") then
mingw_chost = os.getenv("MINGW_CHOST")
end
if mingw_chost == "i686-w64-mingw32" then
arch = "i386"
else
arch = "x86_64"
end
elseif plat == "harmony" then
arch = "arm64-v8a"
elseif plat == "cross" then
arch = _find_arch_from_cross()
else
arch = os.subarch()
end
end
end
return arch
end
-- find default platform and architecture
--
-- @param opt the argument options, e.g. {plat = "", arch = "", global = true}
--
-- @return plat, arch
--
-- @code
--
-- find the default platform:
-- local result = find_platform()
--
-- find the default architecture from the given platform:
-- local result = find_platform({plat = "iphoneos"})
--
-- @endcode
--
function main(opt)
-- find platform
opt = opt or {}
local plat = _find_plat(opt.plat)
local will_set_plat = false
if opt.global then
if not opt.plat and not config.get("plat") then
will_set_plat = true
config.set("plat", plat)
end
end
-- find architecture
local arch = _find_arch(plat, opt.arch)
local will_set_arch = false
if opt.global then
if not opt.arch and not config.get("arch") then
will_set_arch = true
config.set("arch", arch)
end
end
if opt.global then
if will_set_plat or will_set_arch then
cprint("checking for platform ... ${color.success}%s (%s)", plat, arch)
end
end
return plat, arch
end
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