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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, TBOOX Open Source Group.
--
-- @author ruki
-- @file find_emar.lua
--
-- imports
import("core.tool.compiler")
import("lib.detect.find_program")
import("lib.detect.find_tool")
import("detect.sdks.find_emsdk")
-- check
function _check(program)
end
-- find ar
--
-- @param opt the argument options, e.g. {version = true}
--
-- @return program, version
--
-- @code
--
-- local ar = find_emar()
-- local ar, version = find_emar({program = "xcrun -sdk macosx g++", version = true})
--
-- @endcode
--
function main(opt)
-- init options
opt = opt or {}
opt.check = opt.check or function (program)
local bindir = path.directory(program)
local filename = path.filename(program)
filename = filename:gsub("emar", "emcc")
local emcc_program = filename
if bindir and bindir ~= "." then
emcc_program = path.join(bindir, filename)
end
local emcc = assert(find_tool("emcc", {program = emcc_program, envs = opt.envs}), "emcc not found!")
-- make an stub source file
local libraryfile = os.tmpfile() .. ".a"
local objectfile = os.tmpfile() .. ".o"
local sourcefile = os.tmpfile() .. ".c"
io.writefile(sourcefile, "int test(void)\n{return 0;}\n")
-- compile it
os.runv(emcc.program, {"-c", "-o" .. objectfile, sourcefile}, {envs = opt.envs})
-- archive it
os.runv(program, {"-cr", libraryfile, objectfile}, {envs = opt.envs})
-- remove files
os.rm(objectfile)
os.rm(sourcefile)
os.rm(libraryfile)
end
-- init the search directories
local emsdk = find_emsdk()
if emsdk and emsdk.emscripten then
local paths = {}
table.insert(paths, emsdk.emscripten)
opt.paths = paths
end
-- find program
return find_program(opt.program or (is_host("windows") and "emar.bat" or "emar"), opt)
end
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