add xuantie toolchain and support busybox

Author: rcitach

apps/xmake.lua

@@ -1,6 +1,14 @@
-for _, packagedir in ipairs(os.dirs(path.join(os.scriptdir(), "*"))) do
-    local packagefile = path.join(packagedir, "xmake.lua")
+local arch = get_config("arch")
+if arch == "xuantie" then
+    local packagefile = path.join(path.join(os.scriptdir(), "busybox"), "xmake.lua")
     if os.isfile(packagefile) then
         includes(packagefile)
     end
+else
+    for _, packagedir in ipairs(os.dirs(path.join(os.scriptdir(), "*"))) do
+        local packagefile = path.join(packagedir, "xmake.lua")
+        if os.isfile(packagefile) then
+            includes(packagefile)
+        end
+    end
 end

repo/packages/b/busybox/xmake.lua

@@ -49,6 +49,7 @@ do
         local sdk = rtflags.get_sdk()
         table.join2(ldflags, sdk.ldflags)
         table.join2(cxflags, sdk.cxflags)
+        table.join2(cxflags, " -Wno-return-mismatch ")
 
         os.vcp(path.join(os.scriptdir(), "port", version, ".config"), ".")
         io.gsub(".config", "CONFIG_PREFIX=.-\n", 'CONFIG_PREFIX="' .. package:installdir() .. '"')

repo/packages/x/xuantie-900-gcc-musl/xmake.lua

@@ -0,0 +1,57 @@
+-- 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) 2023-2023 RT-Thread Development Team
+--
+-- @author      xqyjlj
+-- @file        xmake.lua
+--
+-- Change Logs:
+-- Date           Author       Notes
+-- ------------   ----------   -----------------------------------------------
+-- 2023-05-12     xqyjlj       initial version
+--
+package("xuantie-900-gcc-musl")
+do
+    set_kind("toolchain")
+    set_homepage("https://www.xrvm.cn/")
+    set_description("riscv64 xuantie embedded compiler for rt-smart.")
+
+    local version = os.getenv("RT_XMAKE_TOOLCHAIN_XUANTIE_VERSION")
+    local sha256 = os.getenv("RT_XMAKE_TOOLCHAIN_XUANTIE_SHA256")
+        
+    if is_host("linux") then
+        add_urls(
+            "https://github.com/RT-Thread/toolchains-ci/releases/download/v1.9/Xuantie-900-gcc-linux-6.6.0-musl64-x86_64-V$(version).tar.gz")
+
+        if (version and sha256) then
+            add_versions(version, sha256)
+        else
+            add_versions("3.0.2", "26b338747a10cc32c8b83f340ce1980b786e7a0445380a70544867b6ed10199b")
+        end
+    end
+
+    on_install("@windows", "@linux|x86_64", function(package)
+        os.vcp("*", package:installdir(), {rootdir = ".", symlink = true})
+        package:addenv("PATH", "bin")
+    end)
+
+    on_test(function(package)
+        local gcc = "riscv64-unknown-linux-musl-gcc"
+        if is_host("windows") then
+            gcc = gcc .. ".exe"
+        end
+        local file = os.tmpfile() .. ".c"
+        io.writefile(file, "int main(int argc, char** argv) {return 0;}")
+        os.vrunv(gcc, {"-c", file})
+    end)
+end