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--!A cross-platform 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 environment.lua
--
-- imports
import("core.project.config")
import("core.platform.environment")
import("lib.detect.find_tool")
import("package")
-- enter environment
--
-- ensure that we can find some basic tools: git, make/nmake/cmake, msbuild ...
--
-- If these tools not exist, we will install it first.
--
function enter()
-- set search pathes of toolchains
environment.enter("toolchains")
-- git not found? install it first
if not find_tool("git") then
package.install_packages("git")
end
-- set the environment variables of toolchains
_g.toolenvs = {}
for _, name in ipairs("cc", "cxx", "mm", "mxx", "ld", "ar", "sh") do
local value = config.get(name)
if value then
_g.toolenvs[name] = os.getenv(name:upper()) or ""
os.setenv(name:upper(), value)
end
end
end
-- leave environment
function leave()
-- restore the environment variables of toolchains
for _, name in ipairs("cc", "cxx", "mm", "mxx", "ld", "ar", "sh") do
local value = _g.toolenvs[name]
if value then
print(name, #value)
os.setenv(name:upper(), value)
end
end
-- restore search pathes of toolchains
environment.leave("toolchains")
end
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