feat(ci): add rv32im compilation checks

.github/assets/check_rv32imac.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+set +e  # Disable immediate exit on error
+
+# Array of crates to check
+crates_to_check=(
+    reth-evm
+    reth-primitives
+    reth-primitives-traits
+    reth-optimism-forks
+    reth-optimism-chainspec
+)
+
+# Array to hold the results
+results=()
+# Flag to track if any command fails
+any_failed=0
+
+for crate in "${crates_to_check[@]}"; do
+  cmd="cargo +stable build -p $crate --target riscv32imac-unknown-none-elf --no-default-features"
+
+  if [ -n "$CI" ]; then
+    echo "::group::$cmd"
+  else
+    printf "\n%s:\n  %s\n" "$crate" "$cmd"
+  fi
+
+  set +e  # Disable immediate exit on error
+  # Run the command and capture the return code
+  $cmd
+  ret_code=$?
+  set -e  # Re-enable immediate exit on error
+
+  # Store the result in the dictionary
+  if [ $ret_code -eq 0 ]; then
+    results+=("1:✅:$crate")
+  else
+    results+=("2:❌:$crate")
+    any_failed=1
+  fi
+
+  if [ -n "$CI" ]; then
+    echo "::endgroup::"
+  fi
+done
+
+# Sort the results by status and then by crate name
+IFS=$'\n' sorted_results=($(sort <<<"${results[*]}"))
+unset IFS
+
+# Print summary
+echo -e "\nSummary of build results:"
+for result in "${sorted_results[@]}"; do
+  status="${result#*:}"
+  status="${status%%:*}"
+  crate="${result##*:}"
+  echo "$status $crate"
+done
+
+# Exit with a non-zero status if any command fails
+exit $any_failed

.github/workflows/lint.yml

@@ -75,6 +75,22 @@ jobs:
       - name: Run Wasm checks
         run: .github/assets/check_wasm.sh
 
+  riscv:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          target: riscv32imac-unknown-none-elf
+      - uses: taiki-e/install-action@cargo-hack
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - uses: dcarbone/install-jq-action@v3
+      - name: Run RISC-V checks
+        run: .github/assets/check_rv32imac.sh
+
   crate-checks:
     runs-on: ubuntu-latest
     timeout-minutes: 30