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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 ruki
-- @file object.lua
--
-- imports
import("core.base.option")
import("core.base.hashset")
import("core.tool.compiler")
import("core.project.depend")
import("utils.progress")
-- build the source files
function main(target, sourcebatch, opt)
-- get source files and kind
local sourcefiles = sourcebatch.sourcefiles
local sourcekind = sourcebatch.sourcekind
-- get object file
local objectfile = target:objectfile(path.join(path.directory(sourcefiles[1]), "__go__"))
-- get depend file
local dependfile = target:dependfile(objectfile)
-- remove the object files in sourcebatch
local objectfiles_set = hashset.from(sourcebatch.objectfiles)
for idx, file in irpairs(target:objectfiles()) do
if objectfiles_set:has(file) then
table.remove(target:objectfiles(), idx)
end
end
-- add object file
table.insert(target:objectfiles(), objectfile)
-- load compiler
local compinst = compiler.load(sourcekind, {target = target})
-- get compile flags
local compflags = compinst:compflags({target = target})
-- load dependent info
local dependinfo = option.get("rebuild") and {} or (depend.load(dependfile) or {})
-- need build this object?
local depvalues = {compinst:program(), compflags}
if not depend.is_changed(dependinfo, {lastmtime = os.mtime(objectfile), values = depvalues}) then
return
end
-- trace progress info
for index, sourcefile in ipairs(sourcefiles) do
progress.show(opt.progress, "${color.build.object}compiling.$(mode) %s", sourcefile)
end
-- trace verbose info
vprint(compinst:compcmd(sourcefiles, objectfile, {compflags = compflags}))
-- compile it
dependinfo.files = {}
assert(compinst:compile(sourcefiles, objectfile, {dependinfo = dependinfo, compflags = compflags}))
-- update files and values to the dependent file
dependinfo.values = depvalues
table.join2(dependinfo.files, sourcefiles)
depend.save(dependinfo, dependfile)
end
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