diff --git a/.github/workflows/pr-compile-check.yaml b/.github/workflows/pr-compile-check.yaml
index dd982fab26e..835e7d55fcc 100644
--- a/.github/workflows/pr-compile-check.yaml
+++ b/.github/workflows/pr-compile-check.yaml
@@ -73,3 +73,26 @@ jobs:
         run: |
           ldd ./bin/fluent-bit
         working-directory: build
+
+  # Sanity check for compilation w/ CXX support
+  pr-compile-without-cxx:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    strategy:
+      fail-fast: false
+    steps:
+      - name: Setup environment
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y bison cmake flex gcc libssl-dev libyaml-dev
+
+      - name: Checkout Fluent Bit code
+        uses: actions/checkout@v4
+
+      - name: Compile w/ CXX support
+        run: |
+          export nparallel=$(( $(getconf _NPROCESSORS_ONLN) > 8 ? 8 : $(getconf _NPROCESSORS_ONLN) ))
+          cmake ../
+          cat CMakeCache.txt | grep -q CMAKE_CXX_COMPILER-NOTFOUND
+          make -j $nparallel
+        working-directory: build