[gha] add cmake build on ubuntu

Signed-off-by: R4SAS <r4sas@i2pmail.org>

.github/workflows/build.yml

@@ -3,8 +3,8 @@ name: Build on Ubuntu
 on: [push, pull_request]
 
 jobs:
-  build:
-    name: With USE_UPNP=${{ matrix.with_upnp }}
+  build-make:
+    name: Make with USE_UPNP=${{ matrix.with_upnp }}
     runs-on: ubuntu-16.04
     strategy:
       fail-fast: true
@@ -19,3 +19,22 @@ jobs:
         sudo apt-get install build-essential libboost1.74-dev libminiupnpc-dev libssl-dev zlib1g-dev
     - name: build application
       run: make USE_UPNP=${{ matrix.with_upnp }} -j3
+  build-cmake:
+    name: CMake with -DWITH_UPNP=${{ matrix.with_upnp }}
+    runs-on: ubuntu-16.04
+    strategy:
+      fail-fast: true
+      matrix:
+        with_upnp: ['ON', 'OFF']
+    steps:
+    - uses: actions/checkout@v2
+    - name: install packages
+      run: |
+        sudo add-apt-repository ppa:mhier/libboost-latest
+        sudo apt-get update
+        sudo apt-get install build-essential cmake libboost1.74-dev libminiupnpc-dev libssl-dev zlib1g-dev
+    - name: build application
+      run: |
+        cd build
+        cmake -DWITH_UPNP=${{ matrix.with_upnp }} .
+        make -j3