update docs and CI

.github/workflows/llgo.yml

@@ -34,7 +34,7 @@ jobs:
           - macos-latest
           - ubuntu-24.04
         llvm: [19]
-        go: ['1.21.13', '1.22.12', '1.23.6', '1.24.0']
+        go: ["1.21.13", "1.22.12", "1.23.6", "1.24.2"]
     runs-on: ${{matrix.os}}
     steps:
       - uses: actions/checkout@v4
@@ -58,7 +58,7 @@ jobs:
       - name: Set up Go for build
         uses: ./.github/actions/setup-go
         with:
-          go-version: "1.24.0"
+          go-version: "1.24.2"
 
       - name: Install
         run: |
@@ -105,7 +105,7 @@ jobs:
           - macos-latest
           - ubuntu-24.04
         llvm: [19]
-        go: ["1.24.0"]
+        go: ["1.24.2"]
     runs-on: ${{matrix.os}}
     steps:
       - uses: actions/checkout@v4
@@ -124,7 +124,7 @@ jobs:
       - name: Set up Go for build
         uses: ./.github/actions/setup-go
         with:
-          go-version: "1.24.0"
+          go-version: "1.24.2"
 
       - name: Install
         run: |
@@ -146,7 +146,7 @@ jobs:
       matrix:
         os: [ubuntu-24.04, macos-latest]
         llvm: [19]
-        go: ['1.21.13', '1.22.12', '1.23.6', '1.24.0']
+        go: ["1.21.13", "1.22.12", "1.23.6", "1.24.2"]
     runs-on: ${{matrix.os}}
     steps:
       - uses: actions/checkout@v4
@@ -158,7 +158,7 @@ jobs:
       - name: Set up Go 1.23 for building llgo
         uses: ./.github/actions/setup-go
         with:
-          go-version: "1.24.0"
+          go-version: "1.24.2"
 
       - name: Install llgo
         run: |
@@ -197,3 +197,46 @@ jobs:
         with:
           go-version: ${{matrix.go}}
           mod-version: "1.24"
+
+  cross-compile:
+    continue-on-error: true
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        uses: ./.github/actions/setup-deps
+        with:
+          llvm-version: 19
+
+      - name: Set up Go for building llgo
+        uses: ./.github/actions/setup-go
+        with:
+          go-version: "1.24.2"
+
+      - name: Install wasmtime and wasi-libc
+        run: |
+          brew install wasmtime
+          wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-25/libclang_rt.builtins-wasm32-wasi-25.0.tar.gz
+          tar -xvf libclang_rt.builtins-wasm32-wasi-25.0.tar.gz
+          mkdir -p `llvm-config --libdir`/clang/19/lib/wasi/
+          mv libclang_rt.builtins-wasm32-wasi-25.0/libclang_rt.builtins-wasm32.a `llvm-config --libdir`/clang/19/lib/wasi/
+
+      - name: Install llgo
+        run: |
+          go install ./...
+          echo "LLGO_ROOT=$GITHUB_WORKSPACE" >> $GITHUB_ENV
+
+      - name: Test Cross Compilation (wasm)
+        shell: bash
+        working-directory: _demo
+        run: |
+          echo "Testing cross-compilation wasm with Go 1.24.2"
+
+          # Compile for wasm architecture
+          GOOS=wasip1 GOARCH=wasm llgo build -o hello -v ./helloc
+
+          # Check file type
+          file hello.wasm
+
+          # Run the wasm binary using llgo_wasm
+          wasmtime hello.wasm