From dd1e63c09b84c0fd0b886503da3cc468ef7ea0a5 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Sun, 29 Jan 2023 13:31:18 +0800
Subject: add lto for ldc2

---
 xmake/rules/c++/build_optimization/load.lua | 66 -----------------------------
 1 file changed, 66 deletions(-)
 delete mode 100644 xmake/rules/c++/build_optimization/load.lua

(limited to 'xmake/rules/c++/build_optimization/load.lua')

diff --git a/xmake/rules/c++/build_optimization/load.lua b/xmake/rules/c++/build_optimization/load.lua
deleted file mode 100644
index bd1831778..000000000
--- a/xmake/rules/c++/build_optimization/load.lua
+++ /dev/null
@@ -1,66 +0,0 @@
---!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, TBOOX Open Source Group.
---
--- @author      ruki
--- @file        load.lua
---
-
--- imports
-import("core.tool.compiler")
-import("core.project.project")
-
--- add lto optimization
-function _add_lto_optimization(target, sourcekind)
-
-    -- add cflags
-    local _, cc = target:tool(sourcekind)
-    local cflag = sourcekind == "cxx" and "cxxflags" or "cflags"
-    if cc == "cl" then
-        target:add(cflag, "-GL")
-    elseif cc == "clang" or cc == "clangxx" then
-        target:add(cflag, "-flto=thin")
-    elseif cc == "gcc" or cc == "gxx" then
-        target:add(cflag, "-flto")
-    end
-
-    -- add ldflags and shflags
-    local _, ld = target:tool("ld")
-    if ld == "link" then
-        target:add("ldflags", "-LTCG")
-        target:add("shflags", "-LTCG")
-    elseif ld == "clang" or ld == "clangxx" then
-        target:add("ldflags", "-flto=thin")
-        target:add("shflags", "-flto=thin")
-    elseif ld == "gcc" or ld == "gxx" then
-        target:add("ldflags", "-flto")
-        target:add("shflags", "-flto")
-        -- to use the link-time optimizer, -flto and optimization options should be specified at compile time and during the final link.
-        -- @see https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
-        local optimize = target:get("optimize")
-        if optimize then
-            local optimize_flags = compiler.map_flags(sourcekind == "cc" and "c" or "cxx", "optimize", optimize)
-            target:add("ldflags", optimize_flags)
-            target:add("shflags", optimize_flags)
-        end
-    end
-end
-
-function main(target, sourcekind)
-    if target:policy("build.optimization.lto") or
-        project.policy("build.optimization.lto") then
-        _add_lto_optimization(target, sourcekind)
-    end
-end
-- 
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