ci: Try cross-building to aarch64-apple-darwin on GitHub Actions

Author: ubolonton

.github/workflows/main.yml

@@ -35,13 +35,21 @@ jobs:
           #   emacs-version: '27.2'
           - os: windows-2019
             emacs-version: '27.2'
+          - os: macos-11
+            emacs-version: '27.2'
+            # Cross build
+            target: aarch64-apple-darwin
     runs-on: ${{ matrix.os }}
     steps:
       - name: Set up Rust
         run: |
           rustup install stable
           rustc -Vv
           cargo -V
+      - name: Set up Rust's cross-build target
+        if: matrix.target
+        run: |
+          rustup target add ${{ matrix.target }}
 
       - uses: purcell/setup-emacs@v3.0
         if: runner.os != 'Windows'
@@ -70,11 +78,13 @@ jobs:
       - run: .github/script/setup-cask
 
       - run: bin/setup
-      - run: bin/build
+      - run: bin/build -target "${{ matrix.target }}"
 
       - run: bin/inspect-binaries
         continue-on-error: true
 
       - name: Install tree-sitter CLI
+        if: ${{ !matrix.target }}
         run: npm install -g tree-sitter-cli@0.19.3
       - run: bin/test
+        if: ${{ !matrix.target }}

bin/build

@@ -48,7 +48,7 @@ case $profile_ in
     (debug)
         ;;
     (*)
-        echo "Unknown profile $profile_"
+        echo "!! Unknown profile $profile_"
         exit 1
 esac
 case $target in
@@ -59,18 +59,28 @@ case $target in
     ('')
         ;;
     (*)
-        echo "Unsupport cross-build target $target"
+        echo "!! Unsupport cross-build target $target"
         exit 1
         ;;
 esac
 
+echo "!! Building the dynamic module"
 (
     cd "$core_root"
     cargo build --all "${extra_args[@]}"
 
     cp -f "$target_dir/$profile_/$MODULE_ORIGINAL" "$MODULE_RENAMED"
     version=$(cargo pkgid | cut -d'#' -f2 | cut -d: -f2)
     echo "$version".1 | tr -d $'\n' > DYN-VERSION
+)
+
+echo "!! Building Lisp code"
+if [[ $target != '' ]]; then
+    echo "!! Will skip building Lisp since this is a cross build"
+    exit 0
+fi
+(
+    cd "$core_root"
     cask build
 )
 (

bin/build.ps1

@@ -8,6 +8,7 @@ $module_name = "tsc_dyn"
 $module_renamed = $module_name.replace("_", "-")
 $core_root = "$project_root\core"
 
+echo "!! Building the dynamic module"
 Push-Location $core_root
 try {
     switch ($profile) {
@@ -24,6 +25,7 @@ try {
     Pop-Location
 }
 
+echo "!! Building Lisp code"
 Push-Location $project_root
 try {
     cask build

bin/inspect-binaries

@@ -10,13 +10,21 @@ PROJECT_ROOT=$(cd "$here/.."; pwd)
 
     case $system in
         (Linux)
+            echo ┌─────────────────────────────────────────────────────────────────────
+            echo └ Dynamic module:
+            file core/tsc-dyn.so
             ldd core/tsc-dyn.so
-            echo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+            echo ┌─────────────────────────────────────────────────────────────────────
+            echo └ Emacs:
             ldd "$(which emacs)"
             ;;
         (Darwin)
+            echo ┌─────────────────────────────────────────────────────────────────────
+            echo └ Dynamic module:
+            file core/tsc-dyn.dylib
             otool -L core/tsc-dyn.dylib
-            echo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+            echo ┌─────────────────────────────────────────────────────────────────────
+            echo └ Emacs:
             otool -L "$(which emacs)"
             ;;
         (*)