ci: setup codeql build-mode=manual

Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>

Author: robbat2

.github/workflows/codeql.yaml

@@ -44,7 +44,7 @@ jobs:
       matrix:
         include:
         - language: c-cpp
-          build-mode: autobuild
+          build-mode: manual
         # CodeQL supports the following values keywords for 'language': 'c-cpp', 'csharp', 'go', 'java-kotlin', 'javascript-typescript', 'python', 'ruby', 'swift'
         # Use `c-cpp` to analyze code written in C, C++ or both
         # Use 'java-kotlin' to analyze code written in Java, Kotlin or both
@@ -60,9 +60,13 @@ jobs:
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
+      env:
+        CODEQL_EXTRACTOR_CPP_AUTOINSTALL_DEPENDENCIES: false
       with:
         languages: ${{ matrix.language }}
         build-mode: ${{ matrix.build-mode }}
+        dependency-caching: true
+
         # If you wish to specify custom queries, you can do so here or in a config file.
         # By default, queries listed here will override any specified in a config file.
         # Prefix the list here with "+" to use these queries and those in the config file.
@@ -79,12 +83,12 @@ jobs:
     - if: matrix.build-mode == 'manual'
       shell: bash
       run: |
-        echo 'If you are using a "manual" build mode for one or more of the' \
-          'languages you are analyzing, replace this with the commands to build' \
-          'your code, for example:'
-        echo '  make bootstrap'
-        echo '  make release'
-        exit 1
+        sudo apt-get -qy update || exit 1
+        DEBIAN_FRONTEND=noninteractive sudo apt-get -qy install autoconf automake bison build-essential check clang flex gettext libtool pkg-config libbsd-dev libbsd0 systemd || exit 1
+        ./autogen.sh || exit 1
+        ./configure --with-check || exit 1
+        make -j all check_all || exit 1
+        make check || exit 1
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v3