build.yml

name: Build .NET SDK

on: [workflow_dispatch]

jobs:
  run:
    runs-on: ubuntu-latest

    steps:
    - name: Get Docker image
      run: |
        docker image pull mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-riscv64-net9.0
        
    - name: Maximize build space
      uses: AdityaGarg8/remove-unwanted-software@v4.1
      with:
        remove-dotnet: 'true'
        remove-android: 'true'
        remove-haskell: 'true'
        remove-codeql: 'true'
        remove-cached-tools: 'true'        

    - name: Clone repository
      run: |
        git clone --depth 1 -b v9.0.0-rc.2.24473.5 https://github.com/dotnet/dotnet

    - name: Apply patches
      run: |
        wget https://patch-diff.githubusercontent.com/raw/dotnet/sdk/pull/42158.diff
        patch -d dotnet/src/sdk -p1 -i ${{ github.workspace }}/42158.diff

    - name: Build
      run: |
        docker run --platform linux/amd64 --rm -v${{ github.workspace }}/dotnet:/dotnet -e ROOTFS_DIR=/crossrootfs/riscv64 -e DISABLE_CROSSGEN=1 \
          mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-cross-riscv64-net9.0 \
          sh -c 'cd /dotnet && ./prep-source-build.sh && ./build.sh -sb --clean-while-building /p:TargetOS=linux /p:TargetArchitecture=riscv64 /p:Crossbuild=true'

    - name: Upload .NET
      uses: actions/upload-artifact@v4
      with:
        name: dotnet-sdk-linux-riscv64
        path: "${{ github.workspace }}/dotnet/artifacts/assets/Release/dotnet-sdk-*"