add cross platform and custom platform name

9 files changed, 247 insertions, 7 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5cae66486..3720d8777 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@
 * Add `includes` api instead of `add_subdirs` and `add_subfiles`
 * [#133](https://github.com/tboox/xmake/issues/133): Improve the project plugin to generate `compile_commands.json` by run  `xmake project -k compile_commands`
 * Add `set_precompiled_header` to support the precompiled header, support gcc, clang, msvc
+* Add `xmake f -p cross` platform and support the custom platform
 
 ### Changes
 
@@ -36,7 +37,7 @@
 * Improve the option detection (cache and multi-jobs) and increase 70% speed
 * [#129](https://github.com/tboox/xmake/issues/129): Check link deps and cache the target file
 * Support `*.asm` source files for vs201x project plugin
-* Mark `add_bindings` and `add_rbindings` as deprecated
+* Mark `add_bindings` and `add_rbi€7€7€7€7€7€7€7ndings` as deprecated
 * Optimize `xmake rebuild` speed on windows
 * Move `core.project.task` to `core.base.task`
 * Move `echo` and `app2ipa` plugins to [xmake-plugins](https://github.com/tboox/xmake-plugins) repo.
@@ -336,6 +337,7 @@
 * 添加`includes`接口替换`add_subdirs`和`add_subfiles`
 * [#133](https://github.com/tboox/xmake/issues/133): 改进工程插件，通过运行`xmake project -k compile_commands`来导出`compile_commands.json`
 * 添加`set_precompiled_header`去支持跨编译器预编译头文件，支持`gcc`, `clang`和`msvc`
+* 添加`xmake f -p cross`平台用于交叉编译，并且支持自定义平台名
 
 ### 改进
 
diff --git a/docs/README.md b/docs/README.md
index 44790f541..b29f8d708 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -293,11 +293,27 @@ $ xmake
 
 ##### Cross Compilation
 
+For linux platform:
+
 ```bash
 $ xmake f -p linux --sdk=/usr/local/arm-linux-gcc/ [--toolchains=/sdk/bin] [--cross=arm-linux-]
 $ xmake
 ``` 
 
+Fro other cross platform:
+
+```bash
+$ xmake f -p cross --sdk=/usr/local/arm-xxx-gcc/ [--toolchains=/sdk/bin] [--cross=arm-linux-]
+$ xmake
+``` 
+
+For custem cross platform (`is_plat("myplat")`):
+
+```bash
+$ xmake f -p myplat --sdk=/usr/local/arm-xxx-gcc/ [--toolchains=/sdk/bin] [--cross=arm-linux-]
+$ xmake
+``` 
+
 | Configuration Option         | Description                                  |
 | ---------------------------- | -------------------------------------------- |
 | [--sdk](#-sdk)               | Set the sdk root directory of toolchains     |
diff --git a/docs/zh/README.md b/docs/zh/README.md
index beb9eaf09..003356c58 100644
--- a/docs/zh/README.md
+++ b/docs/zh/README.md
@@ -317,11 +317,27 @@ $ xmake
 
 ##### 交叉编译
 
+linux平台的交叉编译：
+
 ```bash
 $ xmake f -p linux --sdk=/usr/local/arm-linux-gcc/ [--toolchains=/sdk/bin] [--cross=arm-linux-]
 $ xmake
 ``` 
 
+其他平台的交叉编译：
+
+```bash
+$ xmake f -p cross --sdk=/usr/local/arm-xxx-gcc/ [--toolchains=/sdk/bin] [--cross=arm-linux-]
+$ xmake
+``` 
+
+如果不关心实际的平台名，只想交叉编译，可以直接用上面的命令，如果需要通过`is_plat("myplat")`判断自己的平台逻辑，则：
+
+```bash
+$ xmake f -p myplat --sdk=/usr/local/arm-xxx-gcc/ [--toolchains=/sdk/bin] [--cross=arm-linux-]
+$ xmake
+``` 
+
 其中：
 
 | 参数名                       | 描述                             |
diff --git a/docs/zh/manual.md b/docs/zh/manual.md
index c1737aa62..6ab26dfd0 100644
--- a/docs/zh/manual.md
+++ b/docs/zh/manual.md
@@ -108,13 +108,20 @@ end
 目前支持的平台有：
 
 * windows
+* cross
 * linux
 * macosx
 * android
 * iphoneos
 * watchos
 
-当然你也可以自己扩展添加自己的平台。。。
+当然你也可以自己扩展添加自己的平台，甚至直接指定自己的平台名：
+
+```bash
+$ xmake f -p other --sdk=...
+```
+
+如果指定的平台名不存在，就会自动切到`cross`平台进行交叉编译，但是缺可以通过`is_plat("other")`来判断自己的平台逻辑。
 
 ##### is_host
 
diff --git a/xmake/core/platform/platform.lua b/xmake/core/platform/platform.lua
index 9e66824d0..c7448f559 100644
--- a/xmake/core/platform/platform.lua
+++ b/xmake/core/platform/platform.lua
@@ -181,12 +181,19 @@ function platform.load(plat)
     for _, dir in ipairs(platform._directories()) do
 
         -- find this directory
-        scriptpath = path.join(path.join(dir, plat), "xmake.lua")
+        scriptpath = path.join(dir, plat, "xmake.lua")
         if os.isfile(scriptpath) then
             break
         end
     end
 
+    -- unknown platform? switch to cross compilation platform
+    local cross = false
+    if not scriptpath or not os.isfile(scriptpath) then
+        scriptpath = path.join(os.programdir(), "platforms", "cross", "xmake.lua")
+        cross = true
+    end
+
     -- not exists?
     if not scriptpath or not os.isfile(scriptpath) then
         return nil, string.format("the platform %s not found!", plat)
@@ -198,13 +205,16 @@ function platform.load(plat)
         return nil, errors
     end
 
+    -- get result
+    local result = utils.ifelse(cross, results["cross"], results[plat])
+
     -- check the platform name
-    if not results[plat] then
+    if not result then
         return nil, string.format("the platform %s not found!", plat)
     end
 
     -- new an instance
-    local instance, errors = _instance.new(plat, results[plat], platform._interpreter():rootdir())
+    local instance, errors = _instance.new(plat, result, platform._interpreter():rootdir())
     if not instance then
         return nil, errors
     end
diff --git a/xmake/core/project/project.lua b/xmake/core/project/project.lua
index fb0999e60..6c844e4f0 100644
--- a/xmake/core/project/project.lua
+++ b/xmake/core/project/project.lua
@@ -84,7 +84,7 @@ function project._api_is_plat(interp, ...)
 
     -- exists this platform? and escape '-'
     for _, p in ipairs(table.join(...)) do
-        if p and type(p) == "string" and plat:find(p:gsub("%-", "%%-")) then
+        if p and type(p) == "string" and plat:find("^" .. p:gsub("%-", "%%-") .. "$") then
             return true
         end
     end
@@ -99,7 +99,7 @@ function project._api_is_arch(interp, ...)
 
     -- exists this architecture? and escape '-'
     for _, a in ipairs(table.join(...)) do
-        if a and type(a) == "string" and arch:find(a:gsub("%-", "%%-")) then
+        if a and type(a) == "string" and arch:find("^" .. a:gsub("%-", "%%-") .. "$") then
             return true
         end
     end
diff --git a/xmake/platforms/cross/check.lua b/xmake/platforms/cross/check.lua
new file mode 100644
index 000000000..bd9046145
--- /dev/null
+++ b/xmake/platforms/cross/check.lua
@@ -0,0 +1,107 @@
+--!The Make-like Build Utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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 - 2017, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        check.lua
+--
+
+-- imports
+import("detect.sdks.find_cross_toolchains")
+import(".checker")
+
+-- check the architecture
+function __check_arch(config)
+
+    -- get the architecture
+    local arch = config.get("arch")
+    if not arch then
+        config.set("arch", "none")
+    end
+end
+
+-- get toolchains
+function _toolchains(config)
+
+    -- attempt to get it from cache first
+    if _g.TOOLCHAINS then
+        return _g.TOOLCHAINS
+    end
+
+    -- find cross toolchains
+    local cross = ""
+    for _, toolchain in ipairs(find_cross_toolchains(config.get("sdk") or config.get("toolchains"), {bin = config.get("toolchains"), cross = config.get("cross")})) do
+        if toolchain.bin and toolchain.cross then
+            config.set("cross", toolchain.cross)
+            config.set("toolchains", toolchain.bin)
+            cross = toolchain.cross
+            break
+        end
+    end
+
+    -- init toolchains
+    local toolchains = {}
+
+    -- insert c/c++ tools to toolchains
+    checker.toolchain_insert(toolchains, "cc",    cross, "gcc",       "the c compiler")
+    checker.toolchain_insert(toolchains, "cc",    cross, "clang",     "the c compiler")
+    checker.toolchain_insert(toolchains, "cxx",   cross, "gcc",       "the c++ compiler")
+    checker.toolchain_insert(toolchains, "cxx",   cross, "clang",     "the c++ compiler")
+    checker.toolchain_insert(toolchains, "cxx",   cross, "g++",       "the c++ compiler")
+    checker.toolchain_insert(toolchains, "cxx",   cross, "clang++",   "the c++ compiler")
+    checker.toolchain_insert(toolchains, "ld",    cross, "g++",       "the linker")
+    checker.toolchain_insert(toolchains, "ld",    cross, "gcc",       "the linker")
+    checker.toolchain_insert(toolchains, "ld",    cross, "clang++",   "the linker")
+    checker.toolchain_insert(toolchains, "ld",    cross, "clang",     "the linker")
+    checker.toolchain_insert(toolchains, "ar",    cross, "ar",        "the static library archiver")
+    checker.toolchain_insert(toolchains, "ex",    cross, "ar",        "the static library extractor")
+    checker.toolchain_insert(toolchains, "sh",    cross, "g++",       "the shared library linker")
+    checker.toolchain_insert(toolchains, "sh",    cross, "gcc",       "the shared library linker")
+    checker.toolchain_insert(toolchains, "sh",    cross, "clang++",   "the shared library linker")
+    checker.toolchain_insert(toolchains, "sh",    cross, "clang",     "the shared library linker")
+
+    -- insert asm tools to toolchains
+    checker.toolchain_insert(toolchains, "as",    cross, "clang",     "the assember")
+    checker.toolchain_insert(toolchains, "as",    cross, "gcc",       "the assember")
+
+    -- save toolchains
+    _g.TOOLCHAINS = toolchains
+
+    -- ok
+    return toolchains
+end
+
+-- check it
+function main(kind, toolkind)
+
+    -- only check the given tool?
+    if toolkind then
+        return checker.toolchain_check(kind, toolkind, _toolchains)
+    end
+
+    -- init the check list of config
+    _g.config = 
+    {
+        __check_arch
+    }
+
+    -- check it
+    checker.check(kind, _g)
+end
+
diff --git a/xmake/platforms/cross/load.lua b/xmake/platforms/cross/load.lua
new file mode 100644
index 000000000..a820a26e7
--- /dev/null
+++ b/xmake/platforms/cross/load.lua
@@ -0,0 +1,41 @@
+--!The Make-like Build Utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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 - 2017, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        load.lua
+--
+
+-- imports
+import("core.project.config")
+
+-- load it
+function main()
+
+    -- init linkdirs and includedirs
+    local sdkdir = config.get("sdk") 
+    if sdkdir then
+        _g.includedirs = {path.join(sdkdir, "include")}
+        _g.linkdirs    = {path.join(sdkdir, "lib")}
+    end
+
+    -- ok
+    return _g
+end
+
diff --git a/xmake/platforms/cross/xmake.lua b/xmake/platforms/cross/xmake.lua
new file mode 100644
index 000000000..4330be48d
--- /dev/null
+++ b/xmake/platforms/cross/xmake.lua
@@ -0,0 +1,41 @@
+--!The Make-like Build Utility based on Lua
+--
+-- Licensed to the Apache Software Foundation (ASF) under one
+-- or more contributor license agreements.  See the NOTICE file
+-- distributed with this work for additional information
+-- regarding copyright ownership.  The ASF licenses this file
+-- to you 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 - 2017, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        xmake.lua
+--
+
+-- define platform
+platform("cross")
+
+    -- set hosts
+    set_hosts("macosx", "linux", "windows")
+
+    -- set formats
+    set_formats {static = {"lib", ".a"}, object = {"", ".o"}, shared = {"lib", ".so"}, symbol = {"", ".sym"}}
+
+    -- on check
+    on_check("check")
+
+    -- on load
+    on_load("load")
+
+
+