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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 target.lua
--
-- imports
import("core.base.option")
import("core.project.project")
-- Is this target has these tools?
function has_tool(toolname, tools)
if toolname then
-- We need compatibility with gcc/g++, clang/clang++ for c++ compiler/linker
-- @see https://github.com/xmake-io/xmake/issues/6852
local trim_xx = false
if toolname == "clangxx" or toolname == "gxx" then
toolname = toolname:rtrim("xx")
trim_xx = true
end
for _, v in ipairs(tools) do
if trim_xx then
v = v:rtrim("xx")
end
if v and toolname:find("^" .. v:gsub("%-", "%%-") .. "$") then
return true
end
end
end
return false
end
-- does this flag belong to this tool?
-- @see https://github.com/xmake-io/xmake/issues/3022
--
-- e.g.
-- for all: add_cxxflags("-g")
-- only for clang: add_cxxflags("clang::-stdlib=libc++")
-- only for clang and multiple flags: add_cxxflags("-stdlib=libc++", "-DFOO", {tools = "clang"})
--
function flag_belong_to_tool(flag, toolinst, extraconf)
local for_this_tool = true
local flagconf = extraconf and extraconf[flag]
if type(flag) == "string" and flag:find("::", 1, true) then
for_this_tool = false
local splitinfo = flag:split("::", {plain = true})
local toolname = splitinfo[1]
local realname = toolinst:name()
-- We need compatibility with gcc/g++, clang/clang++ for c++ compiler/linker
-- @see https://github.com/xmake-io/xmake/issues/6852
if realname == "clangxx" or realname == "gxx" then
toolname = toolname:rtrim("xx")
realname = realname:rtrim("xx")
end
if toolname == realname then
flag = splitinfo[2]
for_this_tool = true
end
elseif flagconf and flagconf.tools then
for_this_tool = has_tool(toolinst:name(), flagconf.tools)
end
if for_this_tool then
return flag
end
end
-- translate flags in tool
function translate_flags_in_tool(target, flagkind, flags)
local extraconf = target:extraconf(flagkind)
local sourcekind
local linkerkind
if flagkind == "cflags" then
sourcekind = "cc"
elseif flagkind == "cxxflags" or flagkind == "cxflags" then
sourcekind = "cxx"
elseif flagkind == "asflags" then
sourcekind = "as"
elseif flagkind == "cuflags" then
sourcekind = "cu"
elseif flagkind == "ldflags" or flagkind == "shflags" then
-- pass
else
raise("unknown flag kind %s", flagkind)
end
local toolinst = sourcekind and target:compiler(sourcekind) or target:linker()
-- does this flag belong to this tool?
-- @see https://github.com/xmake-io/xmake/issues/3022
--
-- e.g.
-- for all: add_cxxflags("-g")
-- only for clang: add_cxxflags("clang::-stdlib=libc++")
-- only for clang and multiple flags: add_cxxflags("-stdlib=libc++", "-DFOO", {tools = "clang"})
--
local result = {}
for _, flag in ipairs(flags) do
flag = flag_belong_to_tool(flag, toolinst, extraconf)
if flag then
table.insert(result, flag)
end
end
return result
end
-- get project targets
function get_project_targets()
local selected_target = option.get("target")
if selected_target then
-- return table.wrap(project.target(selected_target))
return { project.target(selected_target) }
end
return project.targets()
end
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