Test both static and dynamic installs

Author: rhpvorderman

.github/workflows/ci.yml

@@ -32,8 +32,6 @@ jobs:
         uses: actions/setup-python@v2
       - name: Install tox
         run: pip install tox
-      - name: Install isal
-        run: sudo apt-get install libisal-dev
       - name: Build docs
         run: tox -e docs
   test:
@@ -45,6 +43,9 @@ jobs:
           - 3.7
           - 3.8
           - 3.9
+        linking_method:
+          - static
+          - dynamic
     needs: lint
     steps:
       - uses: actions/[email protected]
@@ -53,6 +54,7 @@ jobs:
       - name: Install tox
         run: pip install tox
       - name: Install isal
+        if: ${{ matrix.linking_method == 'dynamic' }}
         run: sudo apt-get install libisal-dev
       - name: Run tests
         run: tox -e py3