⚙️ ci(release): implement cross-platform build

Author: guillaumeast

.github/workflows/release.yml

@@ -6,9 +6,13 @@ on:
       - '**'
 
 jobs:
-  build-linux-x86_64:
+  build:
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        target: [linux-x86_64, linux-aarch64, windows-x86_64]
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -17,25 +21,37 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y g++ make libunistring-dev
+            gcc-aarch64-linux-gnu \
+            g++-aarch64-linux-gnu \
+            gcc-mingw-w64-x86-64 \
+            g++-mingw-w64-x86-64
+
+      - name: Resolve compiler for ${{ matrix.target }}
+        id: compiler
+        run: |
+          COMPILER=$(./scripts/resolve_compiler.sh ${{ matrix.target }})
+          echo "compiler=$COMPILER" >> "$GITHUB_OUTPUT"
 
       - name: Build binary
-        run: make BIN=build/strui-linux-x86_64
+        run: |
+          mkdir -p build
+          make BIN=build/strui-${{ matrix.target }} CXX=${{ steps.compiler.outputs.compiler }}
 
       - name: Package binary
         run: |
-          TARGET=linux-x86_64
+          TARGET=${{ matrix.target }}
           mkdir -p dist/$TARGET
-          strip build/strui-$TARGET
+          strip build/strui-$TARGET || true
           tar -czf dist/$TARGET/strui-$TARGET.tar.gz -C build strui-$TARGET
           sha256sum dist/$TARGET/strui-$TARGET.tar.gz > dist/$TARGET/strui-$TARGET.sha256
 
       - name: Upload release assets
         uses: softprops/action-gh-release@v2
         with:
           files: |
-            dist/linux-x86_64/strui-linux-x86_64.tar.gz
-            dist/linux-x86_64/strui-linux-x86_64.sha256
+            dist/${{ matrix.target }}/strui-${{ matrix.target }}.tar.gz
+            dist/${{ matrix.target }}/strui-${{ matrix.target }}.sha256
           generate_release_notes: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          
+

scripts/resolve_compiler.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+# Resolve the appropriate compiler based on the target platform.
+
+set -e
+
+TARGET="$1"
+
+if [[ -z "$TARGET" ]]; then
+  echo "Usage: $0 <target>" >&2
+  exit 1
+fi
+
+case "$TARGET" in
+  linux-x86_64)
+    echo "g++"
+    ;;
+  linux-aarch64)
+    echo "aarch64-linux-gnu-g++"
+    ;;
+  windows-x86_64)
+    echo "x86_64-w64-mingw32-g++"
+    ;;
+  *)
+    echo "❌ Unknown target: $TARGET" >&2
+    exit 1
+    ;;
+esac