diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 00000000..177235e0
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,130 @@
+name: build
+on: [push, pull_request]
+jobs:
+  build_win:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: ilammy/msvc-dev-cmd@v1
+    - name: Compile
+      shell: bash
+      run: |
+        mkdir build
+        cd build
+        cmake ..
+        cmake --build . --config Release
+        cmake .. -DPK_BUILD_SHARED_LIB=1
+        cmake --build . --config Release
+        mkdir -p output/windows/x86_64
+        cp Release/pocketpy.exe output/windows/x86_64
+        cp Release/pocketpy.dll output/windows/x86_64
+        cp Release/pocketpy.exe ../
+    - uses: actions/upload-artifact@v3
+      with:
+        path: output
+    - name: Unit Test
+      run: python3 scripts/run_tests.py
+    - name: Benchmark
+      run: python3 scripts/run_tests.py benchmark
+  build_linux:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup Clang
+      uses: egor-tensin/setup-clang@v1
+      with:
+        version: 15
+        platform: x64
+    - name: Install libc++
+      run: sudo apt-get install -y libc++-15-dev libc++1-15 libc++abi-15-dev libc++abi1-15 libclang-rt-15-dev
+    - name: Unit Test with Coverage
+      run: bash run_tests.sh
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v3
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        directory: .coverage
+    - name: Compile
+      run: |
+        mkdir build
+        cd build
+        cmake ..
+        cmake --build . --config Release
+        cmake .. -DPK_BUILD_SHARED_LIB=1
+        cmake --build . --config Release
+        mkdir -p output/linux/x86_64
+        cp pocketpy output/linux/x86_64
+        cp pocketpy.so output/linux/x86_64
+        cp pocketpy ../
+    - uses: actions/upload-artifact@v3
+      with:
+        path: output
+    - name: Benchmark
+      run: python3 scripts/run_tests.py benchmark
+    # - name: GCC Build Test
+    #   run: g++ -o pocketpy --std=c++17 src/main.cpp
+    # - name: C Binding Test
+    #   run: bash run_c_binding_test.sh
+  build_macos:
+      runs-on: macos-latest
+      steps:
+      - uses: actions/checkout@v3
+      - run: |
+          python3 amalgamate.py
+          cd plugins/macos/pocketpy
+          mkdir -p output/macos
+          xcodebuild clean build CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGNING_ALLOWED=NO
+          cp -r build/Release/pocketpy.bundle output/macos
+      - uses: actions/upload-artifact@v3
+        with:
+          path: plugins/macos/pocketpy/output
+  build_android:
+      runs-on: ubuntu-latest
+      steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.3.0'
+          channel: 'stable'
+          cache: true
+      - run: flutter --version
+      - name: Compile
+        run: |
+          python3 amalgamate.py
+          cd plugins/flutter/example
+          flutter build apk --split-debug-info=.debug-info --split-per-abi
+          cd build/app/outputs/flutter-apk
+          mkdir -p output/android/arm64-v8a
+          mkdir -p output/android/armeabi-v7a
+          mkdir -p output/android/x86_64
+          unzip -q app-arm64-v8a-release.apk -d tmp
+          mv tmp/lib/arm64-v8a/libpocketpy.so output/android/arm64-v8a/libpocketpy.so
+          rm -rf tmp
+          unzip -q app-armeabi-v7a-release.apk -d tmp
+          mv tmp/lib/armeabi-v7a/libpocketpy.so output/android/armeabi-v7a/libpocketpy.so
+          rm -rf tmp
+          unzip -q app-x86_64-release.apk -d tmp
+          mv tmp/lib/x86_64/libpocketpy.so output/android/x86_64/libpocketpy.so
+          rm -rf tmp
+      - uses: actions/upload-artifact@v3
+        with:
+          path: plugins/flutter/example/build/app/outputs/flutter-apk/output
+  # build_web:
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #   - uses: actions/checkout@v3
+  #   - name: Setup emsdk
+  #     uses: mymindstorm/setup-emsdk@v12
+  #     with:
+  #       version: 3.1.25
+  #       actions-cache-folder: 'emsdk-cache'
+  #   - name: Verify emsdk
+  #     run: emcc -v
+  #   - name: Compile
+  #     run: |
+  #       mkdir -p output/web/lib
+  #       python3 build.py web
+  #       cp web/lib/* output/web/lib
+  #   - uses: actions/upload-artifact@v3
+  #     with:
+  #       path: output
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c40bef22..d4714e86 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,6 +34,9 @@ include_directories(${CMAKE_CURRENT_LIST_DIR}/include)
 
 aux_source_directory(${CMAKE_CURRENT_LIST_DIR}/src POCKETPY_SRC)
 
+option(PK_BUILD_SHARED_LIB "Build shared library" OFF)
+option(PK_BUILD_STATIC_LIB "Build static library" OFF)
+
 if(PK_BUILD_SHARED_LIB)
     add_library(${PROJECT_NAME} SHARED ${POCKETPY_SRC} src2/lib.cpp)
 elseif(PK_BUILD_STATIC_LIB)