update docs and CI

.github/actions/setup-deps/action.yml

@@ -15,7 +15,7 @@ runs:
       run: |
         brew update
         brew install llvm@${{inputs.llvm-version}} lld@${{inputs.llvm-version}} bdw-gc openssl libffi libuv
-        brew link --overwrite lld@${{inputs.llvm-version}} libffi
+        brew link --overwrite llvm@${{inputs.llvm-version}} lld@${{inputs.llvm-version}} libffi
         echo "$(brew --prefix llvm@${{inputs.llvm-version}})/bin" >> $GITHUB_PATH
 
         # Install optional deps for demos.
@@ -35,7 +35,7 @@ runs:
         wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
         sudo apt-get update
         sudo apt-get install -y llvm-${{inputs.llvm-version}}-dev clang-${{inputs.llvm-version}} libclang-${{inputs.llvm-version}}-dev lld-${{inputs.llvm-version}} pkg-config libgc-dev libssl-dev zlib1g-dev libffi-dev libcjson-dev libunwind-dev libuv1-dev
-        echo "/usr/lib/llvm-${{inputs.llvm-version}}/bin" >> $GITHUB_PATH
+        echo "PATH=/usr/lib/llvm-${{inputs.llvm-version}}/bin:$PATH" >> $GITHUB_ENV
 
         # Install optional deps for demos.
         #

.github/workflows/doc.yml

@@ -2,9 +2,9 @@ name: Docs
 
 on:
   push:
-    branches: [ "**" ]
+    branches: ["**"]
   pull_request:
-    branches: [ "**" ]
+    branches: ["**"]
 
 jobs:
   doc_verify:
@@ -15,7 +15,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version: "20"
 
       - name: Install embedme
         run: npm install -g embedme
@@ -43,7 +43,7 @@ jobs:
       - name: Set up Go
         uses: ./.github/actions/setup-go
         with:
-          go-version: '1.23.6'
+          go-version: "1.24.2"
 
       - name: Install dependencies on macOS
         if: startsWith(matrix.os, 'macos')
@@ -79,7 +79,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.23'
+          go-version: "1.23"
 
       - name: Install dependencies on macOS
         if: startsWith(matrix.os, 'macos')
@@ -130,7 +130,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.23'
+          go-version: "1.23"
 
       - name: Install dependencies on macOS
         if: startsWith(matrix.os, 'macos')
@@ -145,6 +145,7 @@ jobs:
           set -e
           set -x
           source doc/_readme/scripts/install_ubuntu.sh
+          echo "PATH=/usr/lib/llvm-19/bin:$PATH" >> $GITHUB_ENV
 
       - name: Install llgo with tools
         run: |

.github/workflows/fmt.yml

@@ -2,9 +2,9 @@ name: Format Check
 
 on:
   push:
-    branches: [ "**" ]
+    branches: ["**"]
   pull_request:
-    branches: [ "**" ]
+    branches: ["**"]
 
 jobs:
   fmt:
@@ -15,7 +15,7 @@ jobs:
       - name: Set up Go
         uses: ./.github/actions/setup-go
         with:
-          go-version: '1.24.0'
+          go-version: "1.24.2"
 
       - name: Check formatting
         run: |

.github/workflows/go.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Set up Go
         uses: ./.github/actions/setup-go
         with:
-          go-version: "1.24.0"
+          go-version: "1.24.2"
 
       - name: Build
         run: go build -v ./...

.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

README.md

@@ -361,7 +361,7 @@ Follow these steps to generate the `llgo` command (its usage is the same as the
 brew update
 brew install llvm@19 lld@19 bdw-gc openssl cjson libffi libuv pkg-config
 brew install python@3.12 # optional
-brew link --overwrite lld@19 libffi
+brew link --overwrite llvm@19 lld@19 libffi
 # curl https://raw.githubusercontent.com/goplus/llgo/refs/heads/main/install.sh | bash
 ./install.sh
 ```

_demo/helloc/helloc.go

@@ -0,0 +1,15 @@
+package main
+
+import (
+	"unsafe"
+
+	"github.com/goplus/lib/c"
+)
+
+func main() {
+	c.Printf(c.Str("Hello world by c.Printf\n"))
+	c.Printf(c.Str("%ld\n"), unsafe.Sizeof(int(0)))
+	c.Printf(c.Str("%ld\n"), unsafe.Sizeof(uintptr(0)))
+	// var v any = int(0)
+	// c.Printf(c.Str("%ld\n"), unsafe.Sizeof(v))
+}

doc/_readme/scripts/install_macos.sh

@@ -2,6 +2,6 @@
 brew update
 brew install llvm@19 lld@19 bdw-gc openssl cjson libffi libuv pkg-config
 brew install python@3.12 # optional
-brew link --overwrite lld@19 libffi
+brew link --overwrite llvm@19 lld@19 libffi
 # curl https://raw.githubusercontent.com/goplus/llgo/refs/heads/main/install.sh | bash
 ./install.sh