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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_gcc.lua
--
-- imports
import("lib.detect.find_program")
import("lib.detect.find_programver")
import("core.cache.detectcache")
-- check gcc/gigabyte signature
function check_gcc_gigabyte(program)
if os.isfile(program) then
local signer = nil
if winos.file_signature then
signer = winos.file_signature(program)
end
if signer and signer.signer_name then
local signer_name = signer.signer_name:upper()
if signer_name:find("GIGA-BYTE", 1, true) then
return true
end
end
end
end
-- check gigabyte gcc
-- avoid gcc.exe signed by GIGA-BYTE
-- @see https://github.com/xmake-io/xmake/issues/5629
function _check_gcc_on_windows(program, opt)
opt = opt or {}
if check_gcc_gigabyte(program) then
raise("gcc.exe signed by GIGA-BYTE is not allowed!")
end
return os.runv(program, {"--version"}, {envs = opt.envs, shell = opt.shell})
end
-- detect whether the current gcc compiler is clang
function check_clang(program, opt)
local is_clang = false
local cachekey = "find_gcc_versioninfo_" .. program
local versioninfo = detectcache:get(cachekey)
if versioninfo == nil then
versioninfo = os.iorunv(program, {"--version"}, {envs = opt.envs})
detectcache:set(cachekey, versioninfo)
end
if versioninfo and versioninfo:find("clang", 1, true) then
is_clang = true
end
return is_clang
end
-- find gcc
--
-- @param opt the argument options, e.g. {version = true}
--
-- @return program, version
--
-- @code
--
-- local gcc = find_gcc()
-- local gcc, version, hintname = find_gcc({program = "xcrun -sdk macosx gcc", version = true})
--
-- @endcode
--
function main(opt)
opt = opt or {}
if is_host("windows") then
opt.check = _check_gcc_on_windows
else
opt.norunfile = true
end
local program = find_program(opt.program or "gcc", opt)
local version = nil
if program and opt.version then
version = find_programver(program, opt)
end
local is_clang = false
if program and is_host("macosx") then
is_clang = check_clang(program, opt)
end
return program, version, (is_clang and "clang" or "gcc")
end
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