Add a github action for building SCST upon push and upon a pull request

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9431 d57e44dd-8a1f-0410-8b47-8ef2f437770f

.github/workflows/ci.yml

@@ -0,0 +1,27 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        compiler: [gcc, clang]
+        arch: [x86_64]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install build-essential
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential debhelper devscripts dpkg-dev quilt
+      - name: Install multilib
+        run: |
+          sudo apt-get install -y gcc-multilib g++-multilib
+        if: ${{ matrix.arch == 'x86' }}
+      - name: Build
+        env:
+          CC: ${{ matrix.compiler }}
+          CFLAGS: -Werror ${{ matrix.arch == 'x86' && '-m32' || '' }}
+          LDFLAGS: ${{ matrix.arch == 'x86' && '-m32' || '' }}
+        run: make CC=${{matrix.compiler}} dpkg