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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_cross_toolchain.lua
--
-- imports
import("core.project.config")
import("lib.detect.find_file")
-- find bin directory and cross
function _find_bindir(sdkdir, opt)
-- init bin directories
local bindirs = {}
if opt.bindir then
table.insert(bindirs, opt.bindir)
end
table.insert(bindirs, path.join(sdkdir, "bin"))
-- attempt to find *-[gcc|clang|ld]
for _, toolname in ipairs({"gcc", "clang", "ld"}) do
local toolname = toolname
if is_host("windows") then
toolname = toolname .. ".exe"
end
local toolpath = find_file((opt.cross or '*-') .. toolname, bindirs)
if toolpath then
return path.directory(toolpath), path.filename(toolpath):sub(1, -(#toolname + 1))
end
-- find tool path
if not opt.cross then
toolpath = find_file(toolname, bindirs)
if toolpath then
return path.directory(toolpath), ""
end
end
end
-- attempt to use the bin directory
local bindir = opt.bindir or path.join(sdkdir, "bin")
if os.isdir(bindir) and not opt.cross then
return bindir
end
end
-- find cross toolchain
--
-- @param sdkdir the root sdk directory of cross toolchain
-- @param opt the argument options
-- e.g. {bindir = .., cross = ..}
--
-- @return the toolchain e.g. {sdkdir = .., bindir = .., cross = ..}
--
-- @code
--
-- local toolchain = find_cross_toolchain("/xxx/android-cross-r10e")
-- local toolchain = find_cross_toolchain("/xxx/android-cross-r10e", {cross = "arm-linux-androideabi-"})
-- local toolchain = find_cross_toolchain("/xxx/android-cross-r10e", {cross = "arm-linux-androideabi-", bindir = ..})
--
-- @endcode
--
-- find cross-compilation toolchain
--
-- @param sdkdir the SDK directory
-- @param opt the options, e.g. {bindir = "", cross = "arm-linux-gnueabihf-"}
-- @return the toolchain info table {sdkdir, bindir, cross, ...}
--
function main(sdkdir, opt)
-- init arguments
opt = opt or {}
-- get sdk directories
local sdkdirs = {}
if sdkdir then
table.insert(sdkdirs, sdkdir)
elseif opt.cross and not is_subhost("windows") then
-- we attempt to find cross toolchain from /usr, e.g. /usr/bin/aarch64-linux-gnu-gcc
table.insert(sdkdirs, "/usr/")
table.insert(sdkdirs, "/usr/local")
end
-- find bin directory and cross
local result
for _, _sdkdir in ipairs(sdkdirs) do
if os.isdir(_sdkdir) then
local bindir, cross = _find_bindir(_sdkdir, opt)
if bindir then
result = {sdkdir = _sdkdir, bindir = bindir, cross = cross}
break
end
end
end
return result
end
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