Initial commit

.github/workflows/build.yml

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+name: Build
+
+on:
+  push:
+    paths-ignore:
+      - '*.md'
+      - 'LICENSE*'
+  pull_request:
+
+jobs:
+  build-linux:
+    name: Build
+    strategy:
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/386
+          - linux/armv7
+          - linux/arm64/v8
+      fail-fast: false
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build
+        run: docker build --target export --output build . --platform ${{ matrix.platform }}
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: artifacts
+          path: build
+
+  release:
+    name: Release
+    # if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs: [ build-linux ]
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v3
+        with:
+          path: artifacts
+      - name: List artifacts
+        run: ls -R artifacts
+      # - name: Rename artifacts
+      #   working-directory: artifacts
+      #   run: |
+      #     mkdir ../out
+      #     for i in */*/$BUILD_PROFILE/$CARGO_BIN_NAME*; do
+      #       mv "$i" "../out/$(sed -E "s/([^/]+)\/[^/]+\/$BUILD_PROFILE\/($CARGO_BIN_NAME)/\2-\1/" <<< "$i")"
+      #     done
+      #     ls -R ../out
+      # - name: Release
+      #   uses: softprops/action-gh-release@v1
+      #   with:
+      #     files: out/*

Dockerfile

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+# Build stage
+FROM alpine:3.19.0 AS build
+
+# Install dependencies
+RUN apk add --no-cache gcc musl-dev make
+
+# Download and extract source
+RUN wget -qO- https://ftp.gnu.org/gnu/binutils/binutils-2.41.tar.xz | tar -xJ
+
+# Build binutils
+WORKDIR /binutils-2.41
+RUN ./configure --target=powerpc-unknown-eabi --prefix=/target --disable-nls --disable-shared \
+    && make -j$(nproc) configure-host \
+    && make -j$(nproc) LDFLAGS=-all-static \
+    && make install-strip
+
+# Export binary (usage: docker build --target export --output build .)
+FROM scratch AS export
+COPY --from=build /target/bin/* .