ci/github: add macOS build action

Author: aberaud

.github/workflows/ccpp.yml

@@ -3,7 +3,8 @@ name: C/C++ CI
 on: [push]
 
 jobs:
-  build:
+  build-ubuntu:
+    name: Ubuntu/GCC build
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
@@ -27,3 +28,35 @@ jobs:
       run: make
     - name: make check
       run: make check
+
+  build-macos:
+    name: macOS/Clang build
+    runs-on: macos-11
+    steps:
+    - uses: actions/checkout@v3
+    - name: deps
+      run: |
+        brew install msgpack-cxx asio gnutls nettle readline fmt jsoncpp
+    
+    - name: restinio
+      run: |
+        mkdir restinio && cd restinio \
+        && wget https://github.com/aberaud/restinio/archive/e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
+        && ls -l && tar -xzf e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
+        && cd restinio-e0a261dd8488246a3cb8bbb3ea781ea5139c3c94/dev \
+        && cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
+                -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
+                -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
+        && make -j8 && sudo make install \
+        && cd ../../.. && rm -rf restinio
+
+    - name: cmake
+      run: |
+        mkdir build && cd build && \
+        cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Debug -DOPENDHT_C=On -DOPENDHT_PEER_DISCOVERY=On -DOPENDHT_PYTHON=Off -DOPENDHT_TOOLS=On -DOPENDHT_PROXY_SERVER=On -DOPENDHT_PROXY_CLIENT=On
+
+    - name: make
+      run: make
+
+    - name: make check
+      run: make check