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--!The Automatic Cross-platform Build Tool
--
-- XMake is free software; you can redistribute it and/or modify
-- it under the terms of the GNU Lesser General Public License as published by
-- the Free Software Foundation; either version 2.1 of the License, or
-- (at your option) any later version.
--
-- XMake is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Lesser General Public License for more details.
--
-- You should have received a copy of the GNU Lesser General Public License
-- along with XMake;
-- If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
--
-- Copyright (C) 2015 - 2016, ruki All rights reserved.
--
-- @author ruki
-- @file object.lua
--
-- imports
import("core.base.option")
import("core.tool.tool")
import("core.tool.compiler")
import("core.tool.extractor")
import("core.project.config")
-- build the object from the *.[o|obj] source file
function _build_from_object(target, sourcefile, objectfile, percent)
-- trace
print("[%02d%%]: inserting.$(mode) %s", percent, sourcefile)
-- trace verbose info
if option.get("verbose") then
print("cp %s %s", sourcefile, objectfile)
end
-- insert this object file
os.cp(sourcefile, objectfile)
end
-- build the object from the *.[a|lib] source file
function _build_from_static(target, sourcefile, objectfile, percent)
-- trace
print("[%02d%%]: inserting.$(mode) %s", percent, sourcefile)
-- trace verbose info
if option.get("verbose") then
print("ex %s %s", sourcefile, objectfile)
end
-- extract the static library to object directory
extractor.extract(sourcefile, path.directory(objectfile))
end
-- build object
function _build(target, g, index)
-- the object and source files
local objectfiles = target:objectfiles()
local sourcefiles = target:sourcefiles()
local incdepfiles = target:incdepfiles()
-- get the object and source with the given index
local sourcefile = sourcefiles[index]
local objectfile = objectfiles[index]
local incdepfile = incdepfiles[index]
-- get dependent files
local depfiles = {}
if incdepfile and os.isfile(incdepfile) then
depfiles = io.load(incdepfile)
end
table.insert(depfiles, sourcefile)
-- check the dependent files are modified?
local modified = false
for _, depfile in ipairs(depfiles) do
if os.mtime(depfile) > os.mtime(objectfile) then
modified = true
break
end
end
-- we need not rebuild it if the files are not modified
if not modified then
return
end
-- get the source file type
local filetype = path.extension(sourcefile):lower()
-- calculate percent
local percent = ((g.targetindex + (index - 1) / #objectfiles) * 100 / g.targetcount)
-- build the object for the *.o/obj source makefile
if filetype == ".o" or filetype == ".obj" then
return _build_from_object(target, sourcefile, objectfile, percent)
-- build the object for the *.[a|lib] source file
elseif filetype == ".a" or filetype == ".lib" then
return _build_from_static(target, sourcefile, objectfile, percent)
end
-- get ccache
local ccache = nil
if config.get("ccache") then
ccache = tool.shellname("ccache")
end
-- trace
print("[%02d%%]: %scompiling.$(mode) %s", percent, ifelse(ccache, "ccache ", ""), sourcefile)
-- trace verbose info
if option.get("verbose") then
print(compiler.compcmd(sourcefile, objectfile, target))
end
-- complie it and enable multitasking
compiler.compile(sourcefile, objectfile, incdepfile, target)
end
-- build objects for the given target
function buildall(target, g)
-- get the max job count
local jobs = tonumber(option.get("jobs") or "4")
-- make objects
local index = 1
local total = #target:objectfiles()
local tasks = {}
repeat
-- consume tasks
local pendings = {}
for i, task in ipairs(tasks) do
-- get job
local job = task[1]
-- get job index
local job_index = task[2]
-- pending?
local status = coroutine.status(job)
if status ~= "dead" then
-- resume it
coroutine.resume(job, job_index)
-- append the pending task
table.insert(pendings, task)
end
end
-- update the pending tasks
tasks = pendings
-- produce tasks
while #tasks < jobs and index <= total do
table.insert(tasks, {coroutine.create(function (index)
-- build object
_build(target, g, index)
end), index})
index = index + 1
end
until #tasks == 0
end
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