[ci] Add Ubuntu arm Github runner (#568)

Author: mcbarton

.github/workflows/main.yml

@@ -34,6 +34,11 @@ jobs:
           - os: windows-2025
             clang_version: 16.0.0
             enable_pic: true
+          - os: ubuntu-24.04-arm
+            clang_version: 16.0.0
+            llvm_asset_suffix: aarch64-linux-gnu
+            enable_pic: true
+            
     steps:
     - uses: actions/checkout@v4.1.7
       with:
@@ -44,7 +49,7 @@ jobs:
         set -ex
         sudo apt-get update
         sudo apt-get install -y libtinfo5
-      if: startsWith(matrix.os, 'ubuntu-')
+      if: startsWith(matrix.os, 'ubuntu-22')
 
     - name: Install LLVM tools (Windows)
       shell: bash

test/Makefile

@@ -37,9 +37,10 @@ LIBC_TEST_URL ?= https://github.com/bytecodealliance/libc-test
 LIBC_TEST = $(DOWNDIR)/libc-test
 LIBRT_URL ?= https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-24/libclang_rt.builtins-wasm32-wasi-24.0.tar.gz
 LIBRT = $(DOWNDIR)/libclang_rt.builtins-wasm32.a
-WASMTIME_URL ?= https://github.com/bytecodealliance/wasmtime/releases/download/v26.0.1/wasmtime-v26.0.1-x86_64-linux.tar.xz
+ARCH := $(shell uname -m)
+WASMTIME_URL ?= https://github.com/bytecodealliance/wasmtime/releases/download/v26.0.1/wasmtime-v26.0.1-$(ARCH)-linux.tar.xz
 WASMTIME = $(abspath $(DOWNDIR)/$(shell basename $(WASMTIME_URL) .tar.xz)/wasmtime)
-WASM_TOOLS_URL ?= https://github.com/bytecodealliance/wasm-tools/releases/download/v1.220.0/wasm-tools-1.220.0-x86_64-linux.tar.gz
+WASM_TOOLS_URL ?= https://github.com/bytecodealliance/wasm-tools/releases/download/v1.220.0/wasm-tools-1.220.0-$(ARCH)-linux.tar.gz
 WASM_TOOLS = $(DOWNDIR)/$(shell basename $(WASM_TOOLS_URL) .tar.gz)/wasm-tools
 ADAPTER_URL ?= https://github.com/bytecodealliance/wasmtime/releases/download/v26.0.1/wasi_snapshot_preview1.command.wasm
 ADAPTER = $(DOWNDIR)/wasi_snapshot_preview1.command.wasm