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--!The Make-like Build Utility based on Lua
--
-- XMake is free software; you can redistribute it and/or modify
-- it under the terms of the GNU Lesser General Public License as published by
-- the Free Software Foundation; either version 2.1 of the License, or
-- (at your option) any later version.
--
-- XMake is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Lesser General Public License for more details.
--
-- You should have received a copy of the GNU Lesser General Public License
-- along with XMake;
-- If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
--
-- Copyright (C) 2015 - 2016, ruki All rights reserved.
--
-- @author ruki
-- @file link.lua
--
-- imports
import("core.project.config")
-- init it
function init(shellname)
-- save the shell name
_g.shellname = shellname or "link.exe"
-- the architecture
local arch = config.get("arch")
-- init flags for architecture
local flags_arch = ""
if arch == "x86" then
flags_arch = "-machine:x86"
elseif arch == "x64" or arch == "amd64" or arch == "x86_amd64" then
flags_arch = "-machine:x64"
end
-- init ldflags
_g.ldflags = { "-nologo", "-dynamicbase", "-nxcompat", flags_arch}
-- init arflags
_g.arflags = {"-nologo", flags_arch}
-- init shflags
_g.shflags = {"-nologo", flags_arch}
-- init flags map
_g.mapflags =
{
-- strip
["-s"] = ""
, ["-S"] = ""
-- others
, ["-ftrapv"] = ""
, ["-fsanitize=address"] = ""
}
end
-- get the property
function get(name)
-- get it
return _g[name]
end
-- make the linklib flag
function linklib(lib)
-- make it
return lib .. ".lib"
end
-- make the linkdir flag
function linkdir(dir)
-- make it
return "-libpath:" .. dir
end
-- make the link command
function linkcmd(objectfiles, targetfile, flags)
-- make it
local cmd = format("%s %s -out:%s %s", _g.shellname, flags, targetfile, objectfiles)
-- too long?
if #cmd > 4096 then
local argfile = targetfile .. ".arg"
io.printf(argfile, "%s -out:%s %s", flags, targetfile, objectfiles)
cmd = format("%s @%s", _g.shellname, argfile)
end
-- ok?
return cmd
end
-- link the target file
function link(objectfiles, targetfile, flags)
-- ensure the target directory
os.mkdir(path.directory(targetfile))
-- link it
os.run(linkcmd(objectfiles, targetfile, flags))
end
-- make the archive command
function archivecmd(objectfiles, targetfile, flags)
return linkcmd(objectfiles, targetfile, flags)
end
-- archive the library file
function archive(objectfiles, targetfile, flags)
link(objectfiles, targetfile, flags)
end
-- check the given flags
function check(flags)
-- make an stub source file
local binaryfile = os.tmpfile() .. ".exe"
local objectfile = os.tmpfile() .. ".obj"
local sourcefile = os.tmpfile() .. ".c"
-- main entry
if flags and flags:lower():find("subsystem:windows") then
io.write(sourcefile, "int WinMain(void* instance, void* previnst, char** argv, int argc)\n{return 0;}")
else
io.write(sourcefile, "int main(int argc, char** argv)\n{return 0;}")
end
-- check it
os.run("cl -c -Fo%s %s", objectfile, sourcefile)
os.run("%s %s -out:%s %s", _g.shellname, ifelse(flags, flags, ""), binaryfile, objectfile)
-- remove files
os.rm(objectfile)
os.rm(sourcefile)
os.rm(binaryfile)
end
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