Add CI jobs for Linux ARM64 (QEMU) and Windows ARM64 (Cross-Compile), remove CodeQL

Author: JkarVN

.github/workflows/ci.yml

@@ -83,3 +83,52 @@ jobs:
           cd ..
           chmod +x ./test-high/run-tests.sh
           ./test-high/run-tests.sh
+          ./test-high/run-tests.sh
+
+  linux-arm64:
+    runs-on: ubuntu-latest
+    name: Linux ARM64 (QEMU)
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+      
+    - name: Run build and test in ARM64 container
+      run: |
+        docker run --rm --platform linux/arm64 -v $PWD:/src -w /src ubuntu:latest /bin/bash -c "
+          apt-get update && apt-get install -y cmake g++ make
+          cmake -B build-arm64 -DPCG_CPP_BUILD_SAMPLES=ON -DPCG_CPP_BUILD_TESTS=ON -DCMAKE_BUILD_TYPE=Release
+          cmake --build build-arm64 --config Release
+          cd build-arm64 && ctest -C Release --output-on-failure
+          cd ..
+          chmod +x ./test-high/run-tests.sh
+          # Set explicit build dir for run-tests.sh since different name
+          export BINDIR=./build-arm64/test-high
+          # run-tests.sh might need adaptation for explicit BINDIR or we move binaries. 
+          # Simplest is to just run ctest which covers C++ tests. 
+          # But for script tests, we rely on run-tests.sh auto-detection or adaptation.
+          # Let's rely on CTest for now as it's cleaner in container, 
+          # but we can try run-tests.sh if it finds them.
+          ./test-high/run-tests.sh
+        "
+
+  windows-arm64-build:
+    runs-on: windows-latest
+    name: Windows ARM64 (Cross-Compile)
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Configure CMake for ARM64
+      run: >
+        cmake -B build-arm64
+        -A ARM64
+        -DPCG_CPP_BUILD_SAMPLES=ON
+        -DPCG_CPP_BUILD_TESTS=ON
+        -DCMAKE_BUILD_TYPE=Release
+        
+    - name: Build (ARM64)
+      run: cmake --build build-arm64 --config Release
+      
+    # Note: We cannot run CTest or generated binaries on x64 host without emulation.
+    # This job verifies that the code compiles successfully for ARM64 target.

test-high/run-tests.sh

@@ -24,7 +24,7 @@
 BASEDIR=$(dirname "$0")
 cd "$BASEDIR"
 
-BINDIR="."
+BINDIR="${BINDIR:-.}"
 
 # Check if executables are in current directory (Makefile build)
 if [ ! -f "./check-pcg32" ] && [ ! -f "./check-pcg32.exe" ]; then