Implement native WebRtcTest validation (#96)

.gitea/workflows/rust-workspace.yml

@@ -68,7 +68,7 @@ jobs:
       - name: Install audited OpenJPEG 2.5.4
         run: |
           sudo apt-get update
-          sudo apt-get install --yes build-essential cmake pkg-config
+          sudo apt-get install --yes build-essential cmake pkg-config libopus-dev libasound2-dev
           tools/install_openjpeg_2_5_4.sh "$OPENJPEG_PREFIX"
       - name: Check formatting
         run: cargo fmt --all -- --check
@@ -99,6 +99,10 @@ jobs:
         run: python3 tools/test_milestone_10.py
       - name: Compile every workspace target with bounded memory
         run: cargo check --workspace --all-targets --locked -j 1
+      - name: Check optional cross-platform real audio backend
+        run: |
+          cargo check -p libremetaverse-voice-webrtc --all-targets --features real-audio --locked -j 1
+          cargo check -p libremetaverse-programs --bin webrtc-test --features real-audio --locked -j 1
       - name: Lint every native extension target with bounded memory
         run: cargo clippy -p libremetaverse-rendering-simple -p libremetaverse-rendering-mesh-foundry -p libremetaverse-rlv -p libremetaverse-lsl-tools --all-targets --locked -j 1 -- -D warnings
       - name: Document every native extension crate