Add gihub ci support

.github/workflows/ci.yml

@@ -0,0 +1,46 @@
+name: ci
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    name: ${{ matrix.config.name }}
+    runs-on: ${{ matrix.config.os }}
+    strategy:
+      fail-fast: false
+
+      matrix:
+        config:
+        # FIXME: Windows fails to build EAMain: Error C2664
+        #  - { name: "Windows MSVC", os: windows-2019, cc: "cl", cxx: "cl", generator: "Visual Studio 16 2019"}
+          - { name: "Ubuntu gcc", os: ubuntu-22.04, cc: "gcc", cxx: "g++", generator: "Unix Makefiles" }
+          - { name: "MacOS clang", os: macos-12, cc: "clang", cxx: "clang++", generator: "Unix Makefiles" }
+
+        include:
+          - build_type: Release
+          - build_tests: ON
+          - install_prefix: install
+          - build_type: Release
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+          fetch-depth: 1
+
+      - name: Configure CMake
+        run: cmake -S . -B ${{github.workspace}}/build -G "${{matrix.config.generator}}" -DCMAKE_BUILD_TYPE:STRING=${{matrix.build_type}} -DEABASE_BUILD_TESTS:STRING=${{matrix.build_tests}} -DCMAKE_INSTALL_PREFIX:STRING=${{github.workspace}}/${{matrix.install_prefix}} -DCMAKE_CXX_COMPILER:STRING=${{matrix.config.cxx}} -DCMAKE_C_COMPILER:STRING=${{matrix.config.cc}}
+
+      - name: Build
+
+        run: cmake --build ${{github.workspace}}/build --config ${{matrix.build_type}}
+
+      - name: Test
+        working-directory: ${{github.workspace}}/build
+        run: test/EABaseTest
+
+      - name: Install
+        run: cmake --build ${{github.workspace}}/build --config ${{matrix.build_type}} --target install