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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 cfeatures.lua
--
-- imports
import("core.tools.gcc.cfeatures")
-- set features
function _set(feature, condition)
_g.features[feature] = condition
end
-- get features
function main()
-- init features
_g.features = cfeatures()
-- init conditions
-- clang -std=c11 -dM -E - < /dev/null | grep __STDC_VERSION__
local clang_minver = "((__clang_major__ * 100) + __clang_minor__) >= 304"
local c17 = clang_minver .. " && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201710L"
local c11 = clang_minver .. " && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L"
local c99 = clang_minver .. " && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L"
local c90 = clang_minver
-- set language standard supports
_set("c_std_89", c90)
_set("c_std_99", c99)
_set("c_std_11", c11)
_set("c_std_17", c17)
-- set features
_set("c_static_assert", c11)
_set("c_restrict", c99)
_set("c_variadic_macros", c99)
_set("c_function_prototypes", c90)
-- get features
return _g.features
end
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