.github/workflows: Add cross compilation step (#39)

Signed-off-by: Max Inden <mail@max-inden.de>

Author: mxinden

.github/workflows/rust.yml

@@ -136,3 +136,24 @@ jobs:
         with:
           command: doc
           args: --verbose --workspace --no-deps --document-private-items
+
+  cross-compile:
+    name: Cross compile
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        target:
+          - armv7-unknown-linux-gnueabihf
+          - powerpc64-unknown-linux-gnu
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: ${{ matrix.target }}
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          use-cross: true
+          command: build
+          args: --release --target=${{ matrix.target }}