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--!A cross-platform build utility based on Lua
--
-- Licensed to the Apache Software Foundation (ASF) under one
-- or more contributor license agreements. See the NOTICE file
-- distributed with this work for additional information
-- regarding copyright ownership. The ASF licenses this file
-- to you 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 - 2018, TBOOX Open Source Group.
--
-- @author ruki
-- @file configheader.lua
--
-- imports
import("core.base.option")
import("core.project.config")
import("core.project.project")
-- make configure for the given target name
function _make_for_target(target)
-- get the target configure file
local configheader = target:configheader()
if not configheader then return end
-- get the config prefix
local configprefix = target:configprefix()
-- open the file
local file = _g.configfiles[configheader] or io.open(path.join(os.tmpdir(), hash.uuid(configheader)), "w")
-- make the head
if _g.configfiles[configheader] then file:print("") end
file:print("#ifndef %s_H", configprefix)
file:print("#define %s_H", configprefix)
file:print("")
-- make version
local version, version_build = target:configversion()
if not version then
version, version_build = project.version()
end
if version then
file:print("// version")
file:print("#define %s_VERSION \"%s\"", configprefix, version)
local i = 1
local m = {"MAJOR", "MINOR", "ALTER"}
for v in version:gmatch("%d+") do
file:print("#define %s_VERSION_%s %s", configprefix, m[i], v)
i = i + 1
if i > 3 then break end
end
if version_build then
file:print("#define %s_VERSION_BUILD %s", configprefix, version_build)
end
file:print("")
end
-- make the defines
local defines = table.copy(target:get("defines_h"))
-- make the undefines
local undefines = table.copy(target:get("undefines_h"))
-- make the options
for _, opt in ipairs(target:options()) do
-- get the option defines
table.join2(defines, opt:get("defines_h"))
table.join2(defines, opt:get("defines_h_if_ok")) -- deprecated
-- get the option undefines
table.join2(undefines, opt:get("undefines_h"))
table.join2(undefines, opt:get("undefines_h_if_ok")) -- deprecated
end
-- make the defines
if #defines ~= 0 then
file:print("// defines")
for _, define in ipairs(defines) do
if define:find("=") then
file:print("#define %s", define:gsub("=", " "):gsub("%$%((.-)%)", function (w) if w == "prefix" then return configprefix end end))
else
file:print("#define %s 1", define:gsub("%$%((.-)%)", function (w) if w == "prefix" then return configprefix end end))
end
end
file:print("")
end
-- make the undefines
if #undefines ~= 0 then
file:print("// undefines")
for _, undefine in ipairs(undefines) do
file:print("#undef %s", undefine:gsub("%$%((.-)%)", function (w) if w == "prefix" then return configprefix end end))
end
file:print("")
end
-- make the tail
file:print("#endif")
-- cache the file
_g.configfiles[configheader] = file
end
-- make the configure file for the given target and dependents
function _make_for_target_with_deps(targetname)
-- the target
local target = project.target(targetname)
-- make configure for the target
_make_for_target(target)
-- make configure for the dependent targets?
for _, dep in ipairs(target:get("deps")) do
_make_for_target_with_deps(dep)
end
end
-- the main entry function
function main()
-- the target name
local targetname = option.get("target")
-- enter project directory
local oldir = os.cd(project.directory())
-- make configure for the given target name
_g.configfiles = {}
_g.configpathes = {}
if targetname then
_make_for_target_with_deps(targetname)
else
-- make configure for all targets
for _, target in pairs(project.targets()) do
_make_for_target(target)
end
end
-- close and update files
for configpath, configfile_tmp in pairs(_g.configfiles) do
-- close the temporary file first
configfile_tmp:close()
-- update file if the content is changed
local configpath_tmp = path.join(os.tmpdir(), hash.uuid(configpath))
if os.isfile(configpath_tmp) then
if os.isfile(configpath) then
if io.readfile(configpath_tmp) ~= io.readfile(configpath) then
os.cp(configpath_tmp, configpath)
end
else
os.cp(configpath_tmp, configpath)
end
end
end
-- leave project directory
os.cd(oldir)
end
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