Add Windows builds (x86_64, arm64)

.github/workflows/build.yml

@@ -52,6 +52,34 @@ jobs:
           name: macos-universal
           path: build/bin
 
+  build-windows:
+    name: Build Windows
+    strategy:
+      matrix:
+        include:
+          - name: x86_64
+            sys: clang64
+          - name: arm64
+            sys: clangarm64
+      fail-fast: false
+    runs-on: windows-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: ${{ matrix.sys }}
+          install: make texinfo
+          pacboy: clang:p
+      - name: Build
+        shell: msys2 {0}
+        run: ./build-windows.sh
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-${{ matrix.name }}
+          path: build/bin
+
   release:
     name: Release
     # if: startsWith(github.ref, 'refs/tags/')

build-windows.sh

@@ -0,0 +1,8 @@
+#!/bin/bash -ex
+PREFIX="$(pwd)/build"
+wget -qO- https://ftp.gnu.org/gnu/binutils/binutils-2.41.tar.xz | tar -xJ
+cd binutils-2.41
+./configure --target=powerpc-unknown-eabi --prefix="$PREFIX" --disable-nls --disable-shared
+make -j$(nproc) configure-host
+make -j$(nproc)
+make install-strip