move clang compiler and linker to tools

1 files changed, 141 insertions, 0 deletions

diff --git a/xmake/scripts/base/linker.lua b/xmake/scripts/base/linker.lua
new file mode 100644
index 000000000..2516bbd29
--- /dev/null
+++ b/xmake/scripts/base/linker.lua
@@ -0,0 +1,141 @@
+--!The Automatic Cross-platform Build Tool
+-- 
+-- XMake is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU Lesser General Public License as published by
+-- the Free Software Foundation; either version 2.1 of the License, or
+-- (at your option) any later version.
+-- 
+-- XMake is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Lesser General Public License for more details.
+-- 
+-- You should have received a copy of the GNU Lesser General Public License
+-- along with XMake; 
+-- If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
+-- 
+-- Copyright (C) 2009 - 2015, ruki All rights reserved.
+--
+-- @author      ruki
+-- @file        linker.lua
+--
+
+-- define module: linker
+local linker = linker or {}
+
+-- load modules
+local utils     = require("base/utils")
+local string    = require("base/string")
+local config    = require("base/config")
+local tools     = require("tools/tools")
+
+-- map gcc flags to the given linker flags
+function linker._mapflags(module, flags)
+
+    -- check
+    assert(module and flags);
+
+    -- need not map flags? return it directly
+    if not module.mapflag then
+        return flags
+    end
+
+    -- map flags
+    local flags_mapped = {}
+    for _, flag in pairs(flags) do
+        -- map it
+        local flag_mapped = module.flag_map(flag)
+        if flag_mapped then
+            table.insert(flags_mapped, flag_mapped)
+        end
+    end
+
+    -- ok?
+    return flags_mapped
+end
+
+-- make the link command
+function linker.make(module, target, objfiles, targetfile)
+
+    -- check
+    assert(module and target)
+
+    -- the target kind
+    local kind = target.kind or ""
+
+    -- the flag name
+    local flag_name = nil
+    if kind == "binary" then flag_name = "ldflags"
+    elseif kind == "static" then flag_name = "arflags"
+    elseif kind == "shared" then flag_name = "shflags"
+    else
+        -- error
+        utils.error("unknown type for linker: %s", kind)
+        return 
+    end
+
+    -- get the common flags from the current linker 
+    local flags_common = module[flag_name] or ""
+
+    -- get the target flags from the current project
+    local flags_target = table.concat(linker._mapflags(module, utils.wrap(target[flag_name])), " ")
+    assert(flags_target)
+
+    -- get the linkdirs flags from the current project
+    if module._make_linkdir then
+        local linkdirs = utils.wrap(target.linkdirs)
+        for _, linkdir in ipairs(linkdirs) do
+            flags_target = flags_target:append(module.flag_linkdir(linkdir), " ")
+        end
+    end
+
+    -- get the links flags from the current project
+    if module._make_link then
+        local links = utils.wrap(target.links)
+        for _, link in ipairs(links) do
+            flags_target = flags_target:append(module.flag_link(link), " ")
+        end
+    end
+
+    -- get the config flags
+    local flags_config = table.concat(linker._mapflags(module, utils.wrap(config.get(flag_name))), " ")
+    assert(flags_config)
+
+    -- make the flags string
+    local flags = ""
+    flags = flags:append(flags_common, " ")
+    flags = flags:append(flags_target, " ")
+    flags = flags:append(flags_config, " ")
+    flags = flags:trim()
+
+    -- make the link command
+    return module.command_link(table.concat(objfiles, " "), targetfile, flags)
+end
+
+-- get the linker from the given kind
+function linker.get(kind)
+
+    -- check
+    assert(kind)
+
+    -- get the linker name from the kind
+    local name = nil
+    if kind == "binary" then name = "ld"
+    elseif kind == "static" then name = "ar"
+    elseif kind == "shared" then name = "sh"
+    else return end
+ 
+    -- get it
+    local module = tools.get(name)
+
+    -- invalid linker?
+    if module and not module.command_link then
+        return 
+    end
+
+    -- ok?
+    return module
+end
+
+-- return module: linker
+return linker