From 616065ad59da99e550a077d2a459e53614578c88 Mon Sep 17 00:00:00 2001
From: Issei Hasegawa <149334273+IsseiHasegawa@users.noreply.github.com>
Date: Wed, 29 Apr 2026 20:37:48 -0400
Subject: [PATCH 1/2] ci: add CodeQL analysis workflow (#243)

---
 .github/workflows/codeql-analysis.yml | 42 +++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 .github/workflows/codeql-analysis.yml

diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
new file mode 100644
index 00000000..32dc4b46
--- /dev/null
+++ b/.github/workflows/codeql-analysis.yml
@@ -0,0 +1,42 @@
+name: CodeQL
+
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+  security-events: write
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  analyze:
+    name: Analyze (cpp)
+    runs-on: ubuntu-latest
+    timeout-minutes: 120
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v4
+        with:
+          languages: cpp
+          config: |
+            paths-ignore:
+              - libCacheSim-node
+
+      - name: Install build dependencies
+        run: bash scripts/install_dependency.sh
+
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v4
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v4
+        with:
+          category: "/language:cpp"

From 4bab5f3e448be72b50b2bb6a7455a6b8ca127238 Mon Sep 17 00:00:00 2001
From: Issei Hasegawa <149334273+IsseiHasegawa@users.noreply.github.com>
Date: Wed, 29 Apr 2026 20:56:19 -0400
Subject: [PATCH 2/2] ci: add CodeQL analysis workflow (#243)

---
 .github/workflows/codeql-analysis.yml | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 32dc4b46..f8a7ac82 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -12,6 +12,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
+env:
+  # Match .github/workflows/build.yml (plain Release; no LSan — avoids sanitizer/CodeQL interaction)
+  BUILD_TYPE: Release
+
 jobs:
   analyze:
     name: Analyze (cpp)
@@ -26,6 +30,7 @@ jobs:
         uses: github/codeql-action/init@v4
         with:
           languages: cpp
+          build-mode: manual
           config: |
             paths-ignore:
               - libCacheSim-node
@@ -33,8 +38,11 @@ jobs:
       - name: Install build dependencies
         run: bash scripts/install_dependency.sh
 
-      - name: Autobuild
-        uses: github/codeql-action/autobuild@v4
+      - name: Configure CMake
+        run: cmake -G Ninja -B "${{ github.workspace }}/build" -DCMAKE_BUILD_TYPE="${{ env.BUILD_TYPE }}"
+
+      - name: Build
+        run: ninja -C "${{ github.workspace }}/build"
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v4