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--!The Make-like Build Utility based on Lua
--
-- Licensed to the Apache Software Foundation (ASF) under one
-- or more contributor license agreements. See the NOTICE file
-- distributed with this work for additional information
-- regarding copyright ownership. The ASF licenses this file
-- to you 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 - 2017, TBOOX Open Source Group.
--
-- @author ruki
-- @file link.lua
--
-- imports
import("core.project.config")
-- init it
function init(shellname, kind)
-- save the shell name
_g.shellname = shellname or "link.exe"
-- save the tool kind
_g.kind = kind
-- 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" 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 symbol flag
function nf_symbol(level, target)
-- debug? generate *.pdb file
local flags = ""
if level == "debug" 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(lib)
-- make it
return lib .. ".lib"
end
-- make the linkdir flag
function nf_linkdir(dir)
-- make it
return "-libpath:" .. dir
end
-- make the link command
function linkcmd(objectfiles, targetkind, 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, targetkind, targetfile, flags)
-- ensure the target directory
os.mkdir(path.directory(targetfile))
-- link it
os.run(linkcmd(objectfiles, targetkind, targetfile, flags))
end
-- check the given flags
function check(flags)
-- -def:"xxx.def"? pass directly
if flags and flags:lower():find("def:") then
return
end
-- 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.writefile(sourcefile, "int WinMain(void* instance, void* previnst, char** argv, int argc)\n{return 0;}")
else
io.writefile(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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