add a macos workflow (#7)

* add a macos workflow

* add homebrew path for github runner

.github/workflows/macos-build.yml

@@ -0,0 +1,45 @@
+name: macOS Build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: Debug
+
+jobs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally
+    # well on Windows or Mac.  You can convert this to a matrix build if you need
+    # cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+    # install dependencies
+    - name: Install dependencies
+      run: brew install cmake bison flex
+
+    - name: set env variable
+      run: echo "/usr/local/opt/flex/bin" >> $GITHUB_PATH; echo "/usr/local/opt/bison/bin" >> $GITHUB_PATH
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DENABLE_SANITIZERS=OFF
+
+    - name: Build
+      # Build your program with the given configuration
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+
+    - name: Test
+      working-directory: ${{github.workspace}}/build
+      # Execute tests defined by the CMake configuration.  
+      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+      run: ctest -VV -C ${{env.BUILD_TYPE}}

CMakeLists.txt

@@ -10,6 +10,7 @@ set(CMAKE_CXX_STANDARD 20)
 
 #For Finding flex include path on MacOS with homebrew installation
 set(CMAKE_INCLUDE_PATH ${CMAKE_INCLUDE_PATH} /opt/homebrew/opt/flex/include)
+set(CMAKE_INCLUDE_PATH ${CMAKE_INCLUDE_PATH} /usr/local/opt/flex/include)
 
 find_package(BISON REQUIRED)
 find_package(FLEX REQUIRED)