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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 gcc_ar.lua
--
inherit("ar")
import("lib.detect.find_file")
-- replace gcc-ar
function _replace_gcc_ar(program, name)
local dir = path.directory(program)
local filename = path.filename(program)
filename = filename:gsub("gcc%-ar", name)
if dir and dir ~= "." then
program = path.join(dir, filename)
else
program = filename
end
return program
end
-- get liblto_plugin.so path for gcc
function _get_gcc_liblto_plugin_path(self, program)
local plugin_path = _g.LTO_PLUGIN_PATH
if plugin_path == nil then
local gcc = _replace_gcc_ar(program, "gcc")
local outdata = try { function() return os.iorunv(gcc, {"-print-prog-name=lto-wrapper"}) end }
if outdata then
local lto_plugindir = path.directory(outdata:trim())
if os.isdir(lto_plugindir) then
if is_host("windows") then
plugin_path = find_file("liblto_plugin*.dll", lto_plugindir)
else
plugin_path = find_file("liblto_plugin.so", lto_plugindir)
end
end
end
plugin_path = plugin_path or false
_g.LTO_PLUGIN_PATH = plugin_path
end
return plugin_path or nil
end
-- link the library file
function link(self, objectfiles, targetkind, targetfile, flags, opt)
opt = opt or {}
os.mkdir(path.directory(targetfile))
-- @note remove the previous archived file first to force recreating a new file
os.tryrm(targetfile)
-- generate link arguments
local program, argv = linkargv(self, objectfiles, targetkind, targetfile, flags, opt)
if is_host("windows") and argv and #argv > 0 and argv[1]:startswith("@") then
-- gcc-ar.exe does not support `@file`, so we need use ar.exe to instead of it.
-- @see https://github.com/xmake-io/xmake/issues/5051
--
-- but ar.exe does not support lto, we need also add lto_plugin-0.dll path in `@file` for gcc
-- @see https://github.com/xmake-io/xmake/issues/5015
--
-- gcc-ar is the wrapper of `ar --plugin lto_plugin.so ...`
--
local _, rawargv = linkargv(self, objectfiles, targetkind, targetfile, flags, table.join(opt, {rawargs = true}))
local plugin_path = _get_gcc_liblto_plugin_path(self, program)
if plugin_path then
argv = winos.cmdargv(table.join({"--plugin", plugin_path}, rawargv), {escape = true})
end
program = _replace_gcc_ar(program, "ar")
end
-- link it
os.runv(program, argv, {envs = self:runenvs(), shell = opt.shell})
end
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