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--!The Make-like 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 - 2017, 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(files, target)
-- get the target configure file
local configheader = target:configheader()
if not configheader then return end
-- the prefix
local prefix = target:get("config_h_prefix") or (target:name():upper() .. "_CONFIG")
-- open the file
local file = files[configheader] or io.open(configheader, "w")
-- make the head
if files[configheader] then file:print("") end
file:print("#ifndef %s_H", prefix)
file:print("#define %s_H", prefix)
file:print("")
-- make version
local version = project.version()
if version then
file:print("// version")
file:print("#define %s_VERSION \"%s\"", prefix, version)
local i = 1
local m = {"MAJOR", "MINOR", "ALTER"}
for v in version:gmatch("%d+") do
file:print("#define %s_VERSION_%s %s", prefix, m[i], v)
i = i + 1
if i > 3 then break end
end
file:print("#define %s_VERSION_BUILD %s", prefix, os.date("%Y%m%d%H%M", os.time()))
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_if_ok"))
-- get the option undefines
table.join2(undefines, opt:get("undefines_h_if_ok"))
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("%$%((.-)%)", function (w) if w == "prefix" then return prefix end end))
else
file:print("#define %s 1", define:gsub("%$%((.-)%)", function (w) if w == "prefix" then return prefix 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 prefix end end))
end
file:print("")
end
-- make the tail
file:print("#endif")
-- cache the file
files[configheader] = file
end
-- make the configure file for the given target and dependents
function _make_for_target_with_deps(files, targetname)
-- the target
local target = project.target(targetname)
-- make configure for the target
_make_for_target(files, target)
-- make configure for the dependent targets?
for _, dep in ipairs(target:get("deps")) do
_make_for_target_with_deps(files, dep)
end
end
-- make the config.h
function make()
-- the target name
local targetname = option.get("target")
-- enter project directory
local olddir = os.cd(project.directory())
-- init files
local files = {}
-- make configure for the given target name
if targetname and targetname ~= "all" then
_make_for_target_with_deps(files, targetname)
else
-- make configure for all targets
for _, target in pairs(project.targets()) do
_make_for_target(files, target)
end
end
-- exit files
for _, file in pairs(files) do
file:close()
end
-- leave project directory
os.cd(olddir)
end
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