CI: Add wasm32-wasi to CI.

.github/workflows/ci.yml

@@ -183,6 +183,7 @@ jobs:
           - i686-unknown-linux-musl
           - powerpc-unknown-linux-gnu
           - riscv64gc-unknown-linux-gnu
+          - wasm32-wasi
           - x86_64-pc-windows-gnu
           - x86_64-pc-windows-msvc
           - x86_64-apple-darwin
@@ -254,6 +255,9 @@ jobs:
           - target: riscv64gc-unknown-linux-gnu
             host_os: ubuntu-22.04
 
+          - target: wasm32-wasi
+            host_os: ubuntu-22.04
+
           - target: x86_64-pc-windows-gnu
             host_os: windows-latest
 
@@ -435,7 +439,7 @@ jobs:
 
   # The wasm32-unknown-unknown targets have a different set of feature sets and
   # an additional `webdriver` dimension.
-  test-wasm32:
+  test-wasm32-browser:
     # Don't run duplicate `push` jobs for the repo owner's PRs.
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
 

mk/cargo.sh

@@ -179,9 +179,9 @@ case $target in
     ;;
   wasm32-wasi)
     # The first two are only needed for when the "wasm_c" feature is enabled.
-    export CC_wasm32_wasi=$WASI_SDK_PATH/bin/clang
-    export AR_wasm32_wasi=$WASI_SDK_PATH/bin/llvm-ar
-    export CARGO_TARGET_WASM32_WASI_RUNNER=wasmtime
+    export CC_wasm32_wasi=clang-$llvm_version
+    export AR_wasm32_wasi=llvm-ar-$llvm_version
+    export CARGO_TARGET_WASM32_WASI_RUNNER=target/tools/linux-x86_64/wasmtime/wasmtime
     ;;
   *)
     ;;

mk/install-build-tools.sh

@@ -140,6 +140,14 @@ case $target in
   cargo install wasm-bindgen-cli --bin wasm-bindgen-test-runner
   use_clang=1
   ;;
+--target=wasm32-wasi)
+  use_clang=1
+  git clone \
+      --branch linux-x86_64 \
+      --depth 1 \
+      https://github.com/briansmith/ring-toolchain \
+      target/tools/linux-x86_64
+  ;;
 --target=*)
   ;;
 esac