Upgrade Clang to version 23 in build workflow

Updated Clang version from 20 to 23 and modified installation steps accordingly.

Author: user-grinch

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-# Based on CanerKaraca20 build script 
+# Based on CanerKaraca20 build script
 name: Build ModelExtras
 
 on:
@@ -25,16 +25,19 @@ jobs:
     - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -y wget gnupg software-properties-common lsb-release
+        sudo apt-get install -y wget gnupg software-properties-common lsb-release g++-mingw-w64-i686
 
-        # Add LLVM APT repository
-        wget https://apt.llvm.org/llvm-snapshot.gpg.key
-        sudo apt-key add llvm-snapshot.gpg.key
-        sudo add-apt-repository "deb http://apt.llvm.org/$(lsb_release -cs)/ llvm-toolchain-$(lsb_release -cs)-20 main"
-        sudo apt-get update
+        # Download LLVM installer script
+        wget https://apt.llvm.org/llvm.sh
+        chmod +x llvm.sh
+
+        # Install Clang 23
+        sudo ./llvm.sh 23
 
-        # Install Clang 20
-        sudo apt-get install -y clang-20 clang++-20 g++-mingw-w64-i686
+    - name: Verify Clang
+      run: |
+        clang --version
+        clang++ --version
 
     - name: Get latest plugin-sdk commit
       id: plugin-sdk-ref
@@ -51,26 +54,22 @@ jobs:
     - name: Build plugin-sdk
       if: steps.plugin-sdk-cache.outputs.cache-hit != 'true'
       run: |
-        # Clone repo and check out the exact commit used in the cache key
         git clone https://github.com/user-grinch/plugin-sdk-mingw.git plugin-sdk
         cd plugin-sdk
         git checkout "${{ steps.plugin-sdk-ref.outputs.sha }}"
         mkdir -p output/lib
-        # Prepare object directories
         for dir in shared plugin_sa safetyhook; do
           find "$dir" -type d -exec mkdir -p "obj/{}" \;
         done
 
-        # Common flags
         FLAGS="-I. -Ishared -Ishared/game -Iplugin_sa -Iplugin_sa/game_sa -Iplugin_sa/game_sa/rw -Isafetyhook -DGTASA -DPLUGIN_SGV_10US -DRW"
-        CLANG_FLAGS="--target=i686-w64-mingw32 -fpermissive -fcommon -fms-extensions -Wno-microsoft-include -Wno-invalid-offsetof -Wno-builtin-macro-redefined -O2 -D__cpp_concepts=202002L"
+        CLANG_FLAGS="--target=i686-w64-mingw32 -fpermissive -fcommon -fms-extensions -Wno-microsoft-include -Wno-invalid-offsetof -Wno-builtin-macro-redefined -O2 -D__cpp_concepts=202202L"
 
-        # Parallel build
         find shared plugin_sa safetyhook -name '*.cpp' -print0 | \
-          xargs -0 -P$(nproc) -I{} clang++-20 $CLANG_FLAGS -std=c++2b $FLAGS -c {} -o obj/{}.o
+          xargs -0 -P$(nproc) -I{} clang++-23 $CLANG_FLAGS -std=c++2b $FLAGS -c {} -o obj/{}.o
 
         find safetyhook -name '*.c' -print0 | \
-          xargs -0 -P$(nproc) -I{} clang-20 $CLANG_FLAGS $FLAGS -c {} -o obj/{}.o
+          xargs -0 -P$(nproc) -I{} clang-23 $CLANG_FLAGS $FLAGS -c {} -o obj/{}.o
 
         find obj -name '*.o' | xargs i686-w64-mingw32-ar rcs output/lib/libplugin.a
 
@@ -84,8 +83,9 @@ jobs:
       run: |
         xmake f -m release \
           --mingw=/usr \
-          --cc=clang-20 \
-          --cxx=clang++-20 \
+          --cc=clang-23 \
+          --cxx=clang++-23 \
+          --cxxflags="-stdlib=libc++ -std=c++2b" \
           -c -y
         xmake -j$(nproc)