--!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) 2015-2020, TBOOX Open Source Group.
--
-- @author      ruki
-- @file        load.lua
--

-- imports
import("core.project.config")

-- load it
function main(platform)

    -- cross toolchains?
    if config.get("cross") or config.get("bin") or config.get("sdk") then 

        -- init linkdirs and includedirs
        local sdkdir = config.get("sdk")
        if sdkdir then
            local includedir = path.join(sdkdir, "include")
            if os.isdir(includedir) then
                platform:add("includedirs", includedir)
            end
            local linkdir = path.join(sdkdir, "lib")
            if os.isdir(linkdir) then
                platform:add("linkdirs", linkdir)
            end    
        end

        -- ok
        return 
    end

    -- init flags for architecture
    local archflags = nil
    local arch = config.get("arch")
    if arch then
        if arch == "x86_64" then archflags = "-m64"
        elseif arch == "i386" then archflags = "-m32"
        end
    end

    -- init flags for c/c++
    platform:add("cxflags", archflags, "-I/usr/local/include", "-I/usr/include")
    platform:add("ldflags", archflags, "-L/usr/local/lib", "-L/usr/lib")
    platform:add("shflags", archflags, "-L/usr/local/lib", "-L/usr/lib")

    -- init flags for objc/c++  (with ldflags and shflags)
    platform:add("mxflags", archflags)

    -- init flags for asm
    platform:add("yasm.asflags", "-f", arch == "x86_64" and "elf64" or "elf32")
    platform:add("asflags", archflags)

    -- init flags for golang
    platform:set("gc-ldflags", "")

    -- init flags for dlang
    local dc_archs = { i386 = "-m32", x86_64 = "-m64" }
    platform:add("dcflags", dc_archs[arch] or "")
    platform:add("dc-shflags", dc_archs[arch] or "")
    platform:add("dc-ldflags", dc_archs[arch] or "")

    -- init flags for rust
    platform:set("rc-shflags", "")
    platform:set("rc-ldflags", "")
end