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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 xmake.lua
--
-- define rule: utils.symbols.extract
rule("utils.symbols.extract")
after_config(function(target)
-- need generate symbols?
local strip = target:get("strip")
local symbols = table.wrap(target:get("symbols"))
if table.contains(symbols, "debug") and (strip == "all" or strip == "debug")
and not target:is_plat("windows") -- we need not to strip pdb for windows, https://github.com/xmake-io/xmake/issues/6554
and (target:is_binary() or target:is_shared()) and target:tool("strip") then -- only for strip command
target:data_set("utils.symbols.extract", true)
target:set("strip", "none") -- disable strip in link stage, because we need to run separate strip commands
target:data_set("strip.origin", strip)
else
target:rule_enable("utils.symbols.extract", false)
end
end)
after_link(function (target, opt)
-- need generate symbols?
if not target:data("utils.symbols.extract") then
return
end
-- imports
import("core.base.option")
import("core.theme.theme")
import("core.project.depend")
import("core.platform.platform")
import("utils.progress")
-- get strip
local strip = target:tool("strip")
if not strip then
return
end
-- get dsymutil and objcopy
local dsymutil, objcopy
if target:is_plat("macosx", "iphoneos", "watchos") then
dsymutil = target:tool("dsymutil")
if not dsymutil then
return
end
else
objcopy = target:tool("objcopy")
end
-- @note we use dependfile(targetfile) as sourcefile/mtime instead of targetfile to ensure it's mtime less than mtime(symbolfile), because targetfile will be changed after stripping
local targetfile = target:targetfile()
local symbolfile = target:symbolfile()
local dryrun = option.get("dry-run")
depend.on_changed(function ()
-- trace progress info
progress.show(opt.progress, "${color.build.target}generating.$(mode) %s", path.filename(symbolfile))
-- we remove the previous symbol file to ensure that it will be re-generated and it's mtime will be changed.
if not dryrun then
os.tryrm(symbolfile)
end
-- generate symbols file
if dsymutil then
local dsymutil_argv = {}
local arch = target:arch()
if arch then
table.insert(dsymutil_argv, "-arch")
table.insert(dsymutil_argv, arch)
end
table.insert(dsymutil_argv, targetfile)
table.insert(dsymutil_argv, "-o")
table.insert(dsymutil_argv, symbolfile)
os.vrunv(dsymutil, dsymutil_argv, {dryrun = dryrun})
else
-- @see https://github.com/xmake-io/xmake/issues/4684
if objcopy then
os.vrunv(objcopy, {"--only-keep-debug", targetfile, symbolfile}, {dryrun = dryrun})
elseif not dryrun then
os.vcp(targetfile, symbolfile)
end
end
-- strip it
local strip_argv = {}
if target:is_plat("macosx", "iphoneos", "watchos") and not strip:find("llvm-strip", 1, true) then
-- do not support `-s`, we can only strip debug symbols
local arch = target:arch()
if arch then
table.insert(strip_argv, "-arch")
table.insert(strip_argv, arch)
end
table.insert(strip_argv, "-S")
else
-- -s/--strip-all for gnu strip
local strip = target:data("strip.origin")
if strip == "debug" then
table.insert(strip_argv, "-S")
else
table.insert(strip_argv, "-s")
end
end
table.insert(strip_argv, targetfile)
os.vrunv(strip, strip_argv, {dryrun = dryrun})
-- attach symbolfile to targetfile
if not target:is_plat("macosx", "iphoneos", "watchos") and objcopy then
-- @see https://github.com/xmake-io/xmake/issues/4684
os.vrunv(objcopy, {"--add-gnu-debuglink=" .. symbolfile, targetfile}, {dryrun = dryrun})
end
end, {dependfile = target:dependfile(symbolfile),
files = target:dependfile(targetfile),
changed = target:is_rebuilt(),
dryrun = dryrun})
end)
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