static link c++ runtime into hook binaries

Author: fcruzcscs

.github/workflows/z-test-pipeline.yml

@@ -47,6 +47,7 @@ jobs:
               -DBoost_USE_STATIC_LIBS=ON \
               -DCMAKE_FIND_USE_SYSTEM_PACKAGE_REGISTRY=OFF \
               -DCMAKE_FIND_PACKAGE_PREFER_CONFIG=ON \
+              -DCMAKE_EXE_LINKER_FLAGS="-static-libstdc++ -static-libgcc" \
               -DBUILD_DROPBEAR=0 \
               -DENABLE_UNIT_TESTS=0 \
               -DBUILD_SHARED_LIBS=OFF \
@@ -56,6 +57,12 @@ jobs:
            '
         working-directory: ${{ env.TMP_DIR }}/sarus-hooks
 
+      - name: Verify hook runtime dependencies
+        run: |
+          set -euo pipefail
+          echo "ldd for ldcache_hook:"
+          ldd "$TMP_DIR/podman-hooks/bin/ldcache_hook" | tee "$TMP_DIR/ldd_ldcache_hook.txt"
+
       - name: Install Bats locally
         run: |
           git clone --depth 1 https://github.com/bats-core/bats-core.git "$TMP_DIR/bats-core"