Switch to cross-compilation via cross-rs

Build all targets (Linux, macOS, Windows) from a single Linux runner
using `cross` for macOS and Windows targets. Linux target builds
natively without cross.

.gitea/workflows/build.yml

@@ -9,54 +9,50 @@ on:
 
 jobs:
   build:
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         include:
-          - os: linux
+          - target: x86_64-unknown-linux-gnu
-            runs-on: ubuntu-latest
-            target: x86_64-unknown-linux-gnu
             binary: ccsm
             archive: ccsm-linux-amd64.tar.gz
-          - os: macos
+          - target: x86_64-apple-darwin
-            runs-on: macos-latest
-            target: x86_64-apple-darwin
             binary: ccsm
             archive: ccsm-darwin-amd64.tar.gz
-          - os: windows
+          - target: x86_64-pc-windows-gnu
-            runs-on: windows-latest
-            target: x86_64-pc-windows-msvc
             binary: ccsm.exe
             archive: ccsm-windows-amd64.zip
 
-    runs-on: ${{ matrix.runs-on }}
-
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install Rust toolchain
+      - name: Install Rust
-        uses: https://gitea.com/actions/rust-toolchain@v1
+        run: rustup update stable && rustup default stable
-        with:
-          toolchain: stable
-          target: ${{ matrix.target }}
 
-      - name: Build
+      - name: Build (Linux)
-        run: cargo build --release --target ${{ matrix.target }}
+        if: matrix.target == 'x86_64-unknown-linux-gnu'
+        run: cargo build --release
 
-      - name: Package (linux / macos)
+      - name: Install cross
-        if: matrix.os != 'windows'
+        if: matrix.target != 'x86_64-unknown-linux-gnu'
+        run: cargo install cross --locked
+
+      - name: Build with cross
+        if: matrix.target != 'x86_64-unknown-linux-gnu'
+        run: cross build --release --target ${{ matrix.target }}
+
+      - name: Package
         run: |
-          cd target/${{ matrix.target }}/release
+          cd "target/${{ matrix.target }}/release"
-          tar czf ${{ matrix.archive }} ${{ matrix.binary }}
+          if [[ "${{ matrix.target }}" == *-windows-* ]]; then
-
+            zip "${{ matrix.archive }}" "${{ matrix.binary }}"
-      - name: Package (windows)
+          else
-        if: matrix.os == 'windows'
+            tar czf "${{ matrix.archive }}" "${{ matrix.binary }}"
-        run: |
+          fi
-          cd target\${{ matrix.target }}\release
-          7z a ${{ matrix.archive }} ${{ matrix.binary }}
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
-          name: ccsm-${{ matrix.os }}-amd64
+          name: ${{ matrix.archive }}
           path: target/${{ matrix.target }}/release/${{ matrix.archive }}