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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) 2015-2020, TBOOX Open Source Group.
--
-- @author ruki
-- @file binary.lua
--
-- imports
import("core.base.option")
import("core.theme.theme")
import("core.tool.linker")
import("core.tool.compiler")
import("core.project.depend")
import("object", {alias = "add_batchjobs_for_object"})
-- do link target
function _do_link_target(target, opt)
-- load linker instance
local linkinst = linker.load(target:targetkind(), target:sourcekinds(), {target = target})
-- get link flags
local linkflags = linkinst:linkflags({target = target})
-- load dependent info
local dependfile = target:dependfile()
local dependinfo = option.get("rebuild") and {} or (depend.load(dependfile) or {})
-- expand object files with *.o/obj
local objectfiles = {}
for _, objectfile in ipairs(target:objectfiles()) do
if objectfile:find("%*") then
local matchfiles = os.match(objectfile)
if matchfiles then
table.join2(objectfiles, matchfiles)
end
else
table.insert(objectfiles, objectfile)
end
end
-- need build this target?
local depfiles = target:objectfiles()
for _, dep in pairs(target:deps()) do
if dep:targetkind() == "static" then
table.insert(depfiles, dep:targetfile())
end
end
local depvalues = {linkinst:program(), linkflags}
if not depend.is_changed(dependinfo, {lastmtime = os.mtime(target:targetfile()), values = depvalues, files = depfiles}) then
return
end
-- the target file
local targetfile = target:targetfile()
-- is verbose?
local verbose = option.get("verbose")
-- trace progress info
local progress_prefix = "${color.build.progress}" .. theme.get("text.build.progress_format") .. ":${clear} "
if verbose then
cprint(progress_prefix .. "${dim color.build.target}linking.$(mode) %s", opt.progress, path.filename(targetfile))
else
cprint(progress_prefix .. "${color.build.target}linking.$(mode) %s", opt.progress, path.filename(targetfile))
end
-- trace verbose info
if verbose then
-- show the full link command with raw arguments, it will expand @xxx.args for msvc/link on windows
print(linkinst:linkcmd(objectfiles, targetfile, {linkflags = linkflags, rawargs = true}))
end
-- flush io buffer to update progress info
io.flush()
-- link it
if not option.get("dry-run") then
assert(linkinst:link(objectfiles, targetfile, {linkflags = linkflags}))
end
-- update files and values to the dependent file
dependinfo.files = depfiles
dependinfo.values = depvalues
depend.save(dependinfo, dependfile)
end
-- on link the given target
function _on_link_target(target, opt)
-- link target with rules
local done = false
for _, r in ipairs(target:orderules()) do
local on_link = r:script("link")
if on_link then
on_link(target, opt)
done = true
end
end
if done then return end
-- do link
_do_link_target(target, opt)
end
-- link target
function _link_target(target, opt)
-- do before link for target
local before_link = target:script("link_before")
if before_link then
before_link(target, opt)
end
-- do before link for rules
for _, r in ipairs(target:orderules()) do
local before_link = r:script("link_before")
if before_link then
before_link(target, opt)
end
end
-- on link
target:script("link", _on_link_target)(target, opt)
-- do after link for target
local after_link = target:script("link_after")
if after_link then
after_link(target, opt)
end
-- do after link for rules
for _, r in ipairs(target:orderules()) do
local after_link = r:script("link_after")
if after_link then
after_link(target, opt)
end
end
end
-- add batch jobs for building binary target
function main(batchjobs, rootjob, target)
local job_link = batchjobs:addjob(target:name() .. "/link", function (index, total)
_link_target(target, {progress = (index * 100) / total})
end)
return add_batchjobs_for_object(batchjobs, job_link, target)
end
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