use clang instead of gcc

.gitea/workflows/build.yml

@@ -25,14 +25,15 @@ jobs:
             python3 \
             python3-pip \
             zlib1g-dev \
-            build-essential
+            build-essential \
+            lld \
+            clang
           pip3 install PyYAML>=5.1
 
       - name: Install CMake (from source)
         run: |
           apt-get update && apt-get install -y \
             wget \
-            build-essential \
             libssl-dev
 
           CMAKE_VERSION=3.28.3
@@ -43,20 +44,22 @@ jobs:
           ./bootstrap --prefix=/usr/local
           make -j$(nproc)
           make install
-
           cmake --version
 
-      - name: Configure Clang
+      - name: Configure Clang (using Clang)
         run: |
+          export CC=clang
+          export CXX=clang++
           cmake -S llvm -B build \
             -DLLVM_ENABLE_PROJECTS='clang;clang-tools-extra' \
             -DLLVM_ENABLE_RUNTIMES='libcxx;libcxxabi;libunwind' \
             -DCMAKE_BUILD_TYPE=Release \
-            -DCMAKE_INSTALL_PREFIX=${INSTALL_PATH}
+            -DCMAKE_INSTALL_PREFIX=${INSTALL_PATH} \
+            -DLLVM_ENABLE_LLD=ON
 
       - name: Build Clang
         run: |
-          cmake --build build --parallel=4
+          cmake --build build --parallel=$(nproc)
 
       - name: Install
         run: |
@@ -64,11 +67,11 @@ jobs:
 
       - name: Package artifact
         run: |
-          tar -czf clang-install.tar.gz -C ${INSTALL_PATH} .
+          tar -czf clang-p2996.tar.gz -C ${INSTALL_PATH} .
 
       - name: Upload artifact
         uses: actions/upload-artifact@v3
         with:
           name: clang-p2996
-          path: clang-p2996tar.gz
+          path: clang-p2996.tar.gz