CI: ubuntu-musl target

.github/workflows/ci.yml

@@ -59,6 +59,22 @@ jobs:
         ./v -o v2 v.v # Make sure vtcc can build itself
         ./v test v
 
+  build-ubuntu-musl:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+    - name: Install dependencies
+      run: sudo apt-get update; sudo apt-get install --quiet -y musl msul-tools
+    - name: Build v
+      run: make && ./v -cc musl-gcc -o v v.v
+#    - name: Test v->c
+#      run: ./v test v
+#    - name: Test v->js
+#      run: ./v -o hi.js examples/hello_v_js.v && node hi.js
+
   build-windows-gcc:
     runs-on: windows-2019
     steps: