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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 find_emcc.lua
--
-- imports
import("lib.detect.find_program")
import("lib.detect.find_programver")
import("detect.sdks.find_emsdk")
-- find emcc
--
-- @param opt the argument options, e.g. {version = true}
--
-- @return program, version
--
-- @code
--
-- local emcc = find_emcc()
-- local emcc, version = find_emcc({version = true})
--
-- @endcode
--
function main(opt)
-- init options
opt = opt or {}
-- 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
-- emsdk 6.0.0+ ships .exe on windows, older releases ship .bat
local program
if opt.program then
program = find_program(opt.program, opt)
else
local candidate_names
if is_host("windows") then
candidate_names = {"emcc.exe", "emcc.bat"}
else
candidate_names = {"emcc"}
end
for _, name in ipairs(candidate_names) do
program = find_program(name, opt)
if program then
break
end
end
end
-- find program version
local version = nil
if program and opt and opt.version then
version = find_programver(program, opt)
end
return program, version
end
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