Merge pull request #792 from xmake-io/toolchain

Improve to detect cross-compilation toolchains

1 files changed, 99 insertions, 0 deletions

diff --git a/xmake/modules/core/tools/ld.lua b/xmake/modules/core/tools/ld.lua
new file mode 100644
index 000000000..6894d21b8
--- /dev/null
+++ b/xmake/modules/core/tools/ld.lua
@@ -0,0 +1,99 @@
+--!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        ld.lua
+--
+
+-- imports
+import("core.base.option")
+import("core.project.config")
+import("core.project.project")
+import("core.language.language")
+
+-- init it
+function init(self)
+
+    -- init shflags
+    self:set("shflags", "-shared")
+
+    -- add -fPIC for shared
+    if not is_plat("windows", "mingw") then
+        self:add("shflags", "-fPIC")
+        self:add("shared.cxflags", "-fPIC")
+    end
+end
+
+-- make the strip flag
+function nf_strip(self, level)
+    local maps = 
+    {   
+        debug = "-S"
+    ,   all   = "-s"
+    }
+
+    local plat = config.plat()
+    if plat == "macosx" or plat == "iphoneos" then
+        maps.all   = "-Wl,-x"
+        maps.debug = "-Wl,-S"
+    end
+    return maps[level]
+end
+
+-- make the link flag
+function nf_link(self, lib)
+    return "-l" .. lib
+end
+
+-- make the syslink flag
+function nf_syslink(self, lib)
+    return nf_link(self, lib)
+end
+
+-- make the linkdir flag
+function nf_linkdir(self, dir)
+    return "-L" .. os.args(path.translate(dir))
+end
+
+-- make the link arguments list
+function linkargv(self, objectfiles, targetkind, targetfile, flags, opt)
+
+    -- init arguments
+    local argv = table.join("-o", targetfile, objectfiles, flags)
+
+    -- too long arguments for windows? 
+    if is_host("windows") then
+        opt = opt or {}
+        local args = os.args(argv, {escape = true})
+        if #args > 1024 and not opt.rawargs then
+            local argsfile = os.tmpfile(args) .. ".args.txt" 
+            io.writefile(argsfile, args)
+            argv = {"@" .. argsfile}
+        end
+    end
+    return self:program(), argv
+end
+
+-- link the target file
+function link(self, objectfiles, targetkind, targetfile, flags)
+
+    -- ensure the target directory
+    os.mkdir(path.directory(targetfile))
+
+    -- link it
+    os.runv(linkargv(self, objectfiles, targetkind, targetfile, flags))
+end
+