Add clang analyzer CI job

.github/workflows/ci.yml

@@ -55,6 +55,26 @@ jobs:
     - name: Distcheck
       run: make distcheck DISTCHECK_CONFIGURE_FLAGS='--enable-werror --enable-openvz --enable-cgroup --enable-vserver --enable-ancient-vserver --enable-taskstats --enable-unicode --enable-hwloc --enable-setuid --enable-delayacct'
 
+  build-ubuntu-latest-clang-analyzer:
+    runs-on: ubuntu-latest
+    env:
+      CC: clang-11
+    steps:
+    - uses: actions/checkout@v2
+    - name: install clang repo
+      run: |
+        wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key 2>/dev/null | sudo apt-key add -
+        sudo add-apt-repository 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-11 main' -y
+        sudo apt-get update -q
+    - name: Install Dependencies
+      run: sudo apt-get install clang-11 clang-tools-11 libncursesw5-dev libhwloc-dev libnl-3-dev libnl-genl-3-dev
+    - name: Bootstrap
+      run: ./autogen.sh
+    - name: Configure
+      run: scan-build-11 -analyze-headers --status-bugs ./configure --enable-debug --enable-werror --enable-openvz --enable-cgroup --enable-vserver --enable-ancient-vserver --enable-taskstats --enable-unicode --enable-hwloc --enable-setuid --enable-delayacct
+    - name: Build
+      run: scan-build-11 -analyze-headers --status-bugs make -j"$(nproc)"
+
   whitespace_check:
     runs-on: ubuntu-latest
     steps: