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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 Wu, Zhenyu
-- @file xmake.lua
--
rule("python.cython")
add_deps("python.module")
set_extensions(".py", ".pyx")
on_load(function (target)
local language = target:extraconf("rules", "python.cython", "language")
if language == "c" then
target:add("deps", "c")
elseif language == "c++" then
target:add("deps", "c++")
end
end)
before_buildcmd_file(function (target, batchcmds, sourcefile, opt)
import("lib.detect.find_tool")
local cython = assert(find_tool("cython"), "cython not found! please `pip install cython`.")
local language = target:extraconf("rules", "python.cython", "language")
local ext = "c"
local arg = "-3"
if language == "c++" then
ext = "cc"
arg = arg .. "+"
end
local dirname = path.join(target:autogendir(), "rules", "python", "cython")
local sourcefile_c = path.join(dirname, path.basename(sourcefile) .. "." .. ext)
-- add objectfile
local objectfile = target:objectfile(sourcefile_c)
table.insert(target:objectfiles(), objectfile)
-- add commands
batchcmds:show_progress(opt.progress, "${color.build.object}compiling.python %s", sourcefile)
batchcmds:mkdir(path.directory(sourcefile_c))
batchcmds:vrunv(cython.program, {arg, "-o", path(sourcefile_c), path(sourcefile)})
batchcmds:compile(sourcefile_c, objectfile)
-- add deps
batchcmds:add_depfiles(sourcefile)
batchcmds:set_depmtime(os.mtime(objectfile))
batchcmds:set_depcache(target:dependfile(objectfile))
end)
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