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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 check_cxxflags.lua
--
-- check c++ flags and add macro definition
--
-- e.g.
--
-- check_cxxflags("HAS_SSE2", "-msse2")
-- check_cxxflags("HAS_SSE2", {"-msse", "-msse2"})
--
function check_cxxflags(definition, flags, opt)
opt = opt or {}
local optname = opt.name or ("__" .. definition)
interp_save_scope()
option(optname)
set_showmenu(false)
add_defines(definition)
on_check(function (option)
import("core.tool.compiler")
if compiler.has_flags("cxx", flags, opt) then
option:enable(true)
end
end)
option_end()
interp_restore_scope()
add_options(optname)
end
-- check c++ flags and add macro definition to the configuration flags
--
-- e.g.
--
-- configvar_check_cxxflags("HAS_SSE2", "-msse2")
-- configvar_check_cxxflags("HAS_SSE2", {"-msse", "-msse2"})
-- configvar_check_cxxflags("HAS_SSE2", "-msse2", {default = 0})
-- configvar_check_cxxflags("SSE_STR=2", "-msse2")
-- configvar_check_cxxflags("SSE=2", "-msse2", {quote = false})
--
function configvar_check_cxxflags(definition, flags, opt)
opt = opt or {}
local optname = opt.name or ("__" .. definition)
local defname, defval = table.unpack(definition:split('='))
interp_save_scope()
option(optname)
set_showmenu(false)
if opt.default == nil then
set_configvar(defname, defval or 1, {quote = opt.quote})
end
on_check(function (option)
import("core.tool.compiler")
if compiler.has_flags("cxx", flags, opt) then
option:enable(true)
end
end)
option_end()
interp_restore_scope()
if opt.default == nil then
add_options(optname)
else
set_configvar(defname, has_config(optname) and (defval or 1) or opt.default, {quote = opt.quote})
end
end
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