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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 xmake.lua
--
rule("cppfront.build.h2")
set_extensions(".h2")
on_buildcmd_file(function (target, batchcmds, sourcefile_h2, opt)
import("lib.detect.find_tool")
local cppfront = assert(find_tool("cppfront", {check = "-h"}), "cppfront not found!")
-- get h header file for h2
local sourcefile_h = target:autogenfile((sourcefile_h2:gsub(".h2$", ".h")))
local basedir = path.directory(sourcefile_h)
-- add commands
local argv = {"-o", path(sourcefile_h), path(sourcefile_h2)}
batchcmds:show_progress(opt.progress, "${color.build.object}compiling.h2 %s", sourcefile_h2)
batchcmds:mkdir(basedir)
batchcmds:vrunv(cppfront.program, argv)
-- add deps
batchcmds:add_depfiles(sourcefile_h2)
batchcmds:set_depmtime(os.mtime(sourcefile_h))
batchcmds:set_depcache(target:dependfile(sourcefile_h))
end)
rule("cppfront.build.cpp2")
set_extensions(".cpp2")
-- .h2 must compile before .cpp2
add_orders("cppfront.build.h2", "cppfront.build.cpp2")
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_file(function (target, batchcmds, sourcefile_cpp2, opt)
import("lib.detect.find_tool")
local cppfront = assert(find_tool("cppfront", {check = "-h"}), "cppfront not found!")
-- get c++ source file for cpp2
local sourcefile_cpp = target:autogenfile((sourcefile_cpp2:gsub(".cpp2$", ".cpp")))
local basedir = path.directory(sourcefile_cpp)
-- add objectfile
local objectfile = target:objectfile(sourcefile_cpp)
table.insert(target:objectfiles(), objectfile)
-- add_depfiles for #include "xxxx/xxxx/xxx.h2" ,exclude // #include "xxxx.h2"
local root_dir = path.directory(sourcefile_cpp2)
for line in io.lines(sourcefile_cpp2) do
local match_h2 = line:match("^ -#include *\"([%w%p]+.h2)\"")
if match_h2 ~= nil then
batchcmds:add_depfiles(path.join(root_dir, match_h2))
end
end
-- add commands
local argv = {"-o", path(sourcefile_cpp), path(sourcefile_cpp2)}
batchcmds:show_progress(opt.progress, "${color.build.object}compiling.cpp2 %s", sourcefile_cpp2)
batchcmds:mkdir(basedir)
batchcmds:vrunv(cppfront.program, argv)
batchcmds:compile(sourcefile_cpp, objectfile, {configs = {languages = "c++latest"}})
-- add deps
batchcmds:add_depfiles(sourcefile_cpp2)
batchcmds:set_depmtime(os.mtime(objectfile))
batchcmds:set_depcache(target:dependfile(objectfile))
end)
-- define rule: cppfront
rule("cppfront")
add_deps("cppfront.build.h2")
add_deps("cppfront.build.cpp2")
-- 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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