Run CI on multiple platforms

We use multiple different GitHub runners to cover the most common
developer targets.

- ubuntu-latest
- macos-latest-large
- macos-latest-xlarge

.github/workflows/build.yml

@@ -20,11 +20,32 @@ jobs:
 
   test:
     name: Make test
-    runs-on: core
+    strategy:
+      matrix:
+        target: [
+          x86_64-unknown-linux-gnu,
+          x86_64-apple-darwin,
+          aarch64-apple-darwin,
+        ]
+        include:
+          - target: x86_64-unknown-linux-gnu
+            os: ubuntu-latest
+          - target: x86_64-apple-darwin
+            os: macos-latest-large
+          - target: aarch64-apple-darwin
+            os: macos-latest-xlarge
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - uses: dsherret/rust-toolchain-file@v1
       - run: rustup target add wasm32-unknown-unknown
       - run: rustup component add rust-src
+
+      - run: sudo apt update && sudo apt install -y clang lld
+        if: ${{ contains(matrix.target, 'linux') }}
+
+      - run: brew install llvm
+        if: ${{ contains(matrix.target, 'apple') }}
+
       - name: Run `make test`
         run: make test

Makefile

@@ -18,9 +18,9 @@ contracts: setup-compiler ## Build example contracts
 	@contracts/c-example/build.sh
 	@find target/wasm64-unknown-unknown/release -maxdepth 1 -name "*.wasm" \
 	    | xargs -I % basename % \
-	    | xargs -I % wasm-tools strip -a \
+	    | xargs -I % ./scripts/strip.sh \
 	 	          target/wasm64-unknown-unknown/release/% \
-	 	          -o target/stripped/%
+	 	          target/stripped/%
 
 test: contracts cold-reboot assert-counter-contract-small ## Run all tests
 	@cargo test \

scripts/strip.sh

@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# The script should check whether the inputs are set, or print usage
+# information otherwise.
+if [ -z "$1" ] || [ -z "$2" ]; then
+    echo "Usage: $0 <input-wasm> <output-wasm>"
+    exit 1
+fi
+
+TRIPLE=$(rustc -vV | sed -n 's|host: ||p')
+ARCH=$(echo "$TRIPLE" | cut -f 1 -d'-')
+
+# This is a bit of a mess because target triples are pretty inconsistent
+OS=$(echo "$TRIPLE" | cut -f 2 -d'-')
+# If OS is not currently linux, or apple, then we get it again
+if [ "$OS" != "linux" ] && [ "$OS" != "apple" ]; then
+    OS=$(echo "$TRIPLE" | cut -f 3 -d'-')
+fi
+if [ "$OS" != "linux" ] && [ "$OS" != "apple" ]; then
+    echo "OS not supported: $OS"
+    exit 1
+fi
+# If OS is apple, change it to macos
+if [ "$OS" = "apple" ]; then
+    OS="macos"
+fi
+
+RELEASES_URL=https://github.com/bytecodealliance/wasm-tools/releases/download
+
+PROGRAM_VERSION=1.0.54
+
+ARTIFACT_NAME=wasm-tools-$PROGRAM_VERSION-$ARCH-$OS.tar.gz
+ARTIFACT_URL=$RELEASES_URL/wasm-tools-$PROGRAM_VERSION/$ARTIFACT_NAME
+
+ARTIFACT_DIR=$PWD/target/wasm-tools/$PROGRAM_VERSION
+ARTIFACT_PATH=$ARTIFACT_DIR/$ARTIFACT_NAME
+
+# If the artifact doesn't already exist in the target directory, download it,
+# otherwise skip.
+if [ ! -f "$ARTIFACT_PATH" ]; then
+    echo "Downloading wasm-tools version $PROGRAM_VERSION"
+    mkdir -p "$ARTIFACT_DIR"
+    curl -L "$ARTIFACT_URL" -o "$ARTIFACT_PATH"
+fi
+
+# Extract the tarball, if they aren't already extracted
+EXTRACTED_DIR=$ARTIFACT_DIR/extracted
+
+if [ ! -d "$EXTRACTED_DIR" ]; then
+    mkdir -p "$EXTRACTED_DIR"
+    tar -xzf "$ARTIFACT_PATH" -C "$EXTRACTED_DIR" --strip-components=1
+fi
+
+"$EXTRACTED_DIR"/wasm-tools strip -a "$1" -o "$2"