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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 xmake.lua
--
toolchain("emcc")
set_homepage("http://emscripten.org")
set_description("A toolchain for compiling to asm.js and WebAssembly")
set_kind("standalone")
local function toolnames(...)
local result = {}
for _, basename in ipairs({...}) do
if is_host("windows") then
table.insert(result, basename .. ".exe")
table.insert(result, basename .. ".bat")
else
table.insert(result, basename)
end
end
return table.unpack(result)
end
set_toolset("cc", toolnames("emcc"))
set_toolset("cxx", toolnames("emcc", "em++"))
set_toolset("ld", toolnames("em++", "emcc"))
set_toolset("sh", toolnames("em++", "emcc"))
set_toolset("ar", toolnames("emar"))
set_toolset("as", toolnames("emcc"))
set_toolset("ranlib", toolnames("emranlib"))
on_check(function (toolchain)
import("lib.detect.find_tool")
import("detect.sdks.find_emsdk")
local emsdk
for _, package in ipairs(toolchain:packages()) do
local installdir = package:installdir()
if installdir and os.isdir(installdir) then
emsdk = find_emsdk(installdir)
if emsdk then
break
end
end
end
if not emsdk then
emsdk = find_emsdk()
end
if emsdk then
toolchain:config_set("bindir", emsdk.emscripten)
toolchain:config_set("sdkdir", emsdk.sdkdir)
return emsdk
end
return find_tool("emcc")
end)
on_load(function (toolchain)
if toolchain:is_arch("wasm64") then
toolchain:add("cxflags", "-sMEMORY64=1")
toolchain:add("asflags", "-sMEMORY64=1")
toolchain:add("ldflags", "-sMEMORY64=1")
toolchain:add("shflags", "-sMEMORY64=1")
else
toolchain:add("cxflags", "")
toolchain:add("asflags", "")
toolchain:add("ldflags", "")
toolchain:add("shflags", "")
end
for _, package in ipairs(toolchain:packages()) do
local envs = package:envs()
if envs then
for _, name in ipairs({"EMSDK", "EMSDK_NODE", "EMSDK_PYTHON", "JAVA_HOME"}) do
local values = envs[name]
if values then
toolchain:add("runenvs", name, table.unwrap(values))
end
end
end
end
end)
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