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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 wsw0108
-- @file capnp.lua
--
-- imports
import("lib.detect.find_tool")
-- get capnp
function _get_capnp(target)
-- find capnp
local capnp = target:data("capnproto.capnp")
if not capnp then
capnp = find_tool("capnp")
if capnp and capnp.program then
target:data_set("capnproto.capnp", capnp.program)
end
end
-- get capnp
return assert(target:data("capnproto.capnp"), "capnp not found!")
end
-- generate build commands
function load(target)
-- get the first sourcefile
local sourcefile_capnp
local sourcebatch = target:sourcebatches()["capnproto.cpp"]
if sourcebatch and sourcebatch.sourcefiles then
sourcefile_capnp = sourcebatch.sourcefiles[1]
end
if not sourcefile_capnp then
return
end
-- get c/c++ source file for capnproto
local prefixdir
local public
local fileconfig = target:fileconfig(sourcefile_capnp)
if fileconfig then
public = fileconfig.capnp_public
prefixdir = fileconfig.capnp_rootdir
end
local rootdir = path.join(target:autogendir(), "rules", "capnproto")
local filename = path.basename(sourcefile_capnp) .. ".capnp.c++"
local sourcefile_cx = target:autogenfile(sourcefile_capnp, {rootdir = rootdir, filename = filename})
local sourcefile_dir = prefixdir and path.join(rootdir, prefixdir) or path.directory(sourcefile_cx)
-- add includedirs
target:add("includedirs", sourcefile_dir, {public = true})
-- add objectfile, @see https://github.com/xmake-io/xmake/issues/5426
local objectfile = target:objectfile(sourcefile_cx)
table.insert(target:objectfiles(), objectfile)
end
-- generate build commands
function buildcmd(target, batchcmds, sourcefile_capnp, opt)
-- get capnp
local capnp = _get_capnp(target)
-- get c/c++ source file for capnproto
local prefixdir
local public
local fileconfig = target:fileconfig(sourcefile_capnp)
if fileconfig then
public = fileconfig.capnp_public
prefixdir = fileconfig.capnp_rootdir
end
local rootdir = path.join(target:autogendir(), "rules", "capnproto")
local filename = path.basename(sourcefile_capnp) .. ".capnp.c++"
local sourcefile_cx = target:autogenfile(sourcefile_capnp, {rootdir = rootdir, filename = filename})
local sourcefile_dir = prefixdir and path.join(rootdir, prefixdir) or path.directory(sourcefile_cx)
-- add objectfile
local objectfile = target:objectfile(sourcefile_cx)
-- add commands
batchcmds:mkdir(sourcefile_dir)
batchcmds:show_progress(opt.progress, "${color.build.object}compiling.capnp %s", sourcefile_capnp)
local capnproto = target:pkg("capnproto")
local includes = capnproto:get("sysincludedirs")
local argv = {"compile"}
for _, value in ipairs(includes) do
table.insert(argv, path(value, function (p) return "-I" .. p end))
end
table.insert(argv, path(prefixdir and prefixdir or path.directory(sourcefile_capnp), function (p) return "-I" .. p end))
if prefixdir then
table.insert(argv, path(prefixdir, function (p) return "--src-prefix=" .. p end))
end
table.insert(argv, "-o")
table.insert(argv, path(rootdir, function (p) return "c++:" .. p end))
table.insert(argv, path(sourcefile_capnp))
batchcmds:vrunv(capnp, argv)
local configs = {includedirs = sourcefile_dir, languages = (fileconfig and fileconfig.cpp_version) or "c++14"}
if target:is_plat("windows") then
configs.cxflags = "/TP"
end
batchcmds:compile(sourcefile_cx, objectfile, {sourcekind = "cxx", configs = configs})
-- add deps
batchcmds:add_depfiles(sourcefile_capnp)
batchcmds:set_depmtime(os.mtime(objectfile))
batchcmds:set_depcache(target:dependfile(objectfile))
end
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