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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, TBOOX Open Source Group.
--
-- @author ruki
-- @file xmake.lua
--
-- define rule: cppfront.build
rule("cppfront.build")
set_extensions(".cpp2", ".h2")
on_load(function (target)
-- only cppfront source files? we need to patch cxx source kind for linker
local sourcekinds = target:sourcekinds()
if #sourcekinds == 0 then
table.insert(sourcekinds, "cxx")
end
local cppfront = target:pkg("cppfront")
if cppfront and cppfront:installdir() then
local includedir = path.join(cppfront:installdir(), "include")
if os.isdir(includedir) then
target:add("includedirs", includedir)
end
end
end)
on_buildcmd_files(function (target, batchcmds, sourcebatch, opt)
-- order files h2->cpp2
cpp2_files = {}
all_files = {}
for _, sourcefile in ipairs(sourcebatch.sourcefiles) do
if string.endswith(sourcefile, ".h2") then
table.insert(all_files, sourcefile)
elseif string.endswith(sourcefile, ".cpp2") then
table.insert(cpp2_files, sourcefile)
end
end
table.join2(all_files, cpp2_files)
-- get cppfront
import("lib.detect.find_tool")
local cppfront = assert(find_tool("cppfront", {check = "-h"}), "cppfront not found!")
for _, sourcefile_cpp2 in ipairs(all_files) do -- get c++ source file for cpp2
local sourcefile_cpp = ""
local is_h2 = string.endswith(sourcefile_cpp2, ".h2")
if is_h2 then
sourcefile_cpp = target:autogenfile((sourcefile_cpp2:gsub(".h2$", ".h")))
else
sourcefile_cpp = target:autogenfile((sourcefile_cpp2:gsub(".cpp2$", ".cpp")))
end
local basedir = path.directory(sourcefile_cpp)
-- add objectfile
local objectfile = ""
if not is_h2 then
objectfile = target:objectfile(sourcefile_cpp)
table.insert(target:objectfiles(), objectfile)
end
-- add commands
local argv = {"-verb", "-e", "-o", path(sourcefile_cpp), path(sourcefile_cpp2)}
batchcmds:show_progress(opt.progress, "${color.build.object}compiling.cpp2 %s", sourcefile_cpp2)
batchcmds:mkdir(basedir)
batchcmds:vrunv(cppfront.program, argv)
if not is_h2 then
batchcmds:compile(sourcefile_cpp, objectfile, {configs = {languages = "c++20"}})
end
-- add deps
batchcmds:add_depfiles(sourcefile_cpp2)
if not is_h2 then
batchcmds:set_depmtime(os.mtime(objectfile))
batchcmds:set_depcache(target:dependfile(objectfile))
end
end
end)
-- define rule: cppfront
rule("cppfront")
-- add build rules
add_deps("cppfront.build")
-- set compiler runtime, e.g. vs runtime
add_deps("utils.compiler.runtime")
-- inherit links and linkdirs of all dependent targets by default
add_deps("utils.inherit.links")
-- support `add_files("src/*.o")` and `add_files("src/*.a")` to merge object and archive files to target
add_deps("utils.merge.object", "utils.merge.archive")
-- we attempt to extract symbols to the independent file and
-- strip self-target binary if `set_symbols("debug")` and `set_strip("all")` are enabled
add_deps("utils.symbols.extract")
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