Use homebrew llvm@20 instead of apple clang (#6)

* Use homebrew llvm@20 instead of apple clang

* Use homebrew xmake

* fix

* Install python3.13 to avoid compile python

* Use force homebrew python

* Install system package python setuptools

* Install python-setuptools by homebrew

* Use lld as linker

* Use llvm-20 libtool

* Change style

Author: aurora0x27

.github/workflows/macos.yml

@@ -22,17 +22,36 @@ jobs:
       cancel-in-progress: true
 
     steps:
+      - name: Setup llvm
+        run: |
+          brew install llvm@20
+
+      - name: Install lld
+        run: |
+          brew install lld@20
+
+      - name: Setup python
+        run: |
+          # avoid compile python
+          brew install python@3.13
+          brew install python-setuptools
+
       - name: Checkout repository
         uses: actions/checkout@v4
 
       - name: Setup xmake
-        uses: xmake-io/github-action-setup-xmake@v1
-        with:
-          xmake-version: '2.9.9'
-          actions-cache-folder: '.xmake-cache'
+        run: |
+          brew install xmake
+
+      # - name: Setup xmake
+      #   uses: xmake-io/github-action-setup-xmake@v1
+      #   with:
+      #     xmake-version: '2.9.9'
+      #     actions-cache-folder: '.xmake-cache'
 
       - name: Package
         run: |
+          export PATH="/opt/homebrew/opt/llvm@20/bin:/opt/homebrew/opt/lld@20/bin:$PATH"
           xmake config --yes --verbose --toolchain=clang --mode=${{ matrix.build_type }} --policies=build.optimization.lto:${{ matrix.lto }}
 
       - name: Upload artifacts

xmake.lua

@@ -92,7 +92,7 @@ package("llvm")
         table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
         table.insert(configs, "-DLLVM_ENABLE_LTO=" .. (package:config("lto") and "ON" or "OFF"))
         if package:config("lto") then
-            if package:is_plat("linux") then
+            if package:is_plat("linux", "macosx") then
                 table.insert(configs, "-DLLVM_USE_LINKER=lld")
             end
         end
@@ -111,6 +111,7 @@ package("llvm")
         if package:is_plat("macosx") then
             table.insert(configs, "-DLLVM_TARGETS_TO_BUILD=AArch64")
             table.insert(configs, "-DCMAKE_OSX_ARCHITECTURES=arm64")
+            table.insert(configs, "-DCMAKE_LIBTOOL=/opt/homebrew/opt/llvm@20/bin/llvm-libtool-darwin")
         else
             table.insert(configs, "-DLLVM_TARGETS_TO_BUILD=X86")
         end
@@ -192,7 +193,7 @@ package("llvm")
         local archive_dirs
         if package:is_plat("windows") then
             archive_dirs = "*"
-        elseif package:is_plat("linux") or package:is_plat("macosx") then
+        elseif package:is_plat("linux", "macosx") then
             -- workaround for tar
             archive_dirs = {}
             for _, dir in ipairs(os.dirs(path.join(opt.curdir, "*"))) do