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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) 2015-2020, TBOOX Open Source Group.
--
-- @author ruki
-- @file link.lua
--
-- imports
import("core.project.config")
import("private.tools.vstool")
-- init it
function init(self)
-- init ldflags
self:set("ldflags", "-nologo", "-dynamicbase", "-nxcompat")
-- init arflags
self:set("arflags", "-nologo")
-- init shflags
self:set("shflags", "-nologo")
-- init flags map
self:set("mapflags",
{
-- strip
["-s"] = ""
, ["-S"] = ""
-- others
, ["-ftrapv"] = ""
, ["-fsanitize=address"] = ""
})
end
-- get the property
function get(self, name)
local values = self._INFO[name]
if name == "ldflags" or name == "arflags" or name == "shflags" then
-- switch architecture, @note does cache it in init() for generating vs201x project
values = table.join(values, "-machine:" .. (config.arch() or "x86"))
end
return values
end
-- make the symbol flag
function nf_symbol(self, level, target)
-- debug? generate *.pdb file
local flags = nil
local targetkind = target:get("kind")
if level == "debug" and (targetkind == "binary" or targetkind == "shared") then
if target and target.symbolfile then
flags = "-debug -pdb:" .. target:symbolfile()
else
flags = "-debug"
end
end
-- none
return flags
end
-- make the link flag
function nf_link(self, lib)
return lib .. ".lib"
end
-- make the syslink flag
function nf_syslink(self, lib)
return nf_link(self, lib)
end
-- make the linkdir flag
function nf_linkdir(self, dir)
return "-libpath:" .. os.args(path.translate(dir))
end
-- make the link arguments list
function linkargv(self, objectfiles, targetkind, targetfile, flags, opt)
-- init arguments
local argv = table.join(flags, "-out:" .. os.args(targetfile), objectfiles)
-- too long arguments for windows?
opt = opt or {}
local args = os.args(argv, {escape = true})
if #args > 1024 and not opt.rawargs then
local argsfile = os.tmpfile(args) .. ".args.txt"
io.writefile(argsfile, args)
argv = {"@" .. argsfile}
end
return self:program(), argv
end
-- link the target file
function link(self, objectfiles, targetkind, targetfile, flags, opt)
-- ensure the target directory
os.mkdir(path.directory(targetfile))
try
{
function ()
-- use vstool to link and enable vs_unicode_output @see https://github.com/xmake-io/xmake/issues/528
vstool.runv(linkargv(self, objectfiles, targetkind, targetfile, flags, opt))
end,
catch
{
function (errors)
-- use link/stdout as errors first from vstool.iorunv()
if type(errors) == "table" then
local errs = errors.stdout or ""
if #errs:trim() == 0 then
errs = errors.stderr or ""
end
errors = errs
end
os.raise(tostring(errors))
end
}
}
end
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