CI: add alpine CI alongside debian CI

.github/workflows/test.yml

@@ -82,3 +82,48 @@ jobs:
       - name: Run tests
         run: |
           make check
+
+  alpine-meson:
+    runs-on: ubuntu-latest
+    container:
+      image: alpine
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Update system and add dependencies
+        run: |
+          apk update
+          apk add kyua atf-sh build-base meson
+
+      - name: Build
+        run: |
+          meson _build
+          meson compile -C _build
+
+      - name: Run tests
+        run: |
+          meson test -v -C _build
+
+  alpine-autotools:
+    runs-on: ubuntu-latest
+    container:
+      image: alpine
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Update system and add dependencies
+        run: |
+          apk update
+          apk add kyua atf-sh build-base autoconf libtool
+
+      - name: Build
+        run: |
+          ./autogen.sh
+          ./configure
+          make -j9
+
+      - name: Run tests
+        run: |
+          make check