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path: root/xmake/includes/check/check_syslinks.lua
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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_syslinks.lua
--

-- check links and add macro definition
--
-- e.g.
--
-- check_syslinks("HAS_PTHREAD", "pthread")
-- check_syslinks("HAS_PTHREAD", {"pthread", "m", "dl"})
--
function check_syslinks(definition, links, opt)
    opt = opt or {}
    local optname = opt.name or ("__" .. definition)
    interp_save_scope()
    option(optname)
        set_showmenu(false)
        add_syslinks(links)
        add_defines(definition)
    option_end()
    interp_restore_scope()
    add_options(optname)
end

-- check links and add macro definition to the configuration files
--
-- e.g.
--
-- configvar_check_syslinks("HAS_PTHREAD", "pthread")
-- configvar_check_syslinks("HAS_PTHREAD", "pthread", {default = 0})
-- configvar_check_syslinks("HAS_PTHREAD", {"pthread", "m", "dl"})
--
function configvar_check_syslinks(definition, links, 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)
        add_syslinks(links)
        if opt.default == nil then
            set_configvar(defname, defval or 1, {quote = opt.quote})
        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