Test build on Ubuntu 20.04

.github/workflows/build.yml

@@ -8,12 +8,15 @@ on:
 
 jobs:
   test:
-    name: Build
-    runs-on: ubuntu-22.04
+    name: Build Linux (arm64)
+    runs-on: ubuntu-20.04
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install dependencies
+        run: sudo apt-get install -y build-essential pkg-config libssl-dev clang cmake llvm g++-aarch64-linux-gnu gcc-aarch64-linux-gnu libc6-dev-i386 g++-13-multilib gcc-13-multilib && dpkg -l
+
       - name: Install protoc
         id: deps-protoc
         shell: bash
@@ -24,5 +27,16 @@ jobs:
           echo "PROTOC=${HOME}/.local/bin/protoc" >> $GITHUB_ENV
           export PATH="${PATH}:${HOME}/.local/bin"
 
-      - name: Build
-        run: cargo build -r
+      - name: Add Rust targets
+        run: rustup target add aarch64-unknown-linux-gnu
+
+      - name: Create Cargo multiarch config
+        run: |
+          touch ~/.cargo/config.toml
+          echo "
+          [target.aarch64-unknown-linux-gnu]
+          linker = \"aarch64-linux-gnu-gcc\"
+          " > ~/.cargo/config.toml
+
+      - name: Build for Linux arm64
+        run: cargo build -r --target=aarch64-unknown-linux-gnu && mv target/aarch64-unknown-linux-gnu/release/platform-cli ./platform-cli-gnu-arm64