setup-cgo/action.yml at main · nginxui/setup-cgo · GitHub

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name: Set up cgo cross compilation
description: Installs the C cross compiler of a Go target of Nginx UI and sets CC, CXX and CGO_ENABLED.
author: nginxui
branding:
  icon: cpu
  color: blue

inputs:
  goos:
    description: GOOS of the target, linux, windows or darwin.
    required: true
  goarch:
    description: GOARCH of the target.
    required: true
  goarm:
    description: GOARM of a linux/arm target, 5, 6 or 7. Go's default 7 when empty.
    required: false
    default: ''

outputs:
  cc:
    description: The C compiler, also exported as CC.
    value: ${{ steps.done.outputs.cc }}
  cxx:
    description: The C++ compiler, also exported as CXX.
    value: ${{ steps.done.outputs.cxx }}
  extldflags:
    description: Flags for the external linker, -static on Linux, empty elsewhere. Pass them as -ldflags "-extldflags '...'".
    value: ${{ steps.done.outputs.extldflags }}
  triple:
    description: The target triple of the toolchain.
    value: ${{ steps.target.outputs.triple }}

runs:
  using: composite
  steps:
    - id: target
      shell: bash
      env:
        GOOS: ${{ inputs.goos }}
        GOARCH: ${{ inputs.goarch }}
        GOARM: ${{ inputs.goarm }}
      run: '"${GITHUB_ACTION_PATH}/target.sh"'

    # The musl toolchains come from GitHub release assets that answer 5xx at
    # times, so the download is tried three times with a growing pause.
    - id: musl
      if: steps.target.outputs.kind == 'linux'
      continue-on-error: true
      uses: nginxui/musl-cross-compilers@8f83e180fec1779fd14f7aa9834d83525187a317 # v1
      with:
        target: ${{ steps.target.outputs.triple }}
        variant: ${{ steps.target.outputs.variant }}

    - if: steps.target.outputs.kind == 'linux' && steps.musl.outcome == 'failure'
      shell: bash
      run: sleep 30

    - id: musl_retry1
      if: steps.target.outputs.kind == 'linux' && steps.musl.outcome == 'failure'
      continue-on-error: true
      uses: nginxui/musl-cross-compilers@8f83e180fec1779fd14f7aa9834d83525187a317 # v1
      with:
        target: ${{ steps.target.outputs.triple }}
        variant: ${{ steps.target.outputs.variant }}

    - if: steps.target.outputs.kind == 'linux' && steps.musl_retry1.outcome == 'failure'
      shell: bash
      run: sleep 90

    - id: musl_retry2
      if: steps.target.outputs.kind == 'linux' && steps.musl_retry1.outcome == 'failure'
      uses: nginxui/musl-cross-compilers@8f83e180fec1779fd14f7aa9834d83525187a317 # v1
      with:
        target: ${{ steps.target.outputs.triple }}
        variant: ${{ steps.target.outputs.variant }}

    - id: windows
      if: steps.target.outputs.kind == 'windows'
      shell: bash
      env:
        TRIPLE: ${{ steps.target.outputs.triple }}
      run: '"${GITHUB_ACTION_PATH}/windows.sh"'

    - id: done
      shell: bash
      env:
        KIND: ${{ steps.target.outputs.kind }}
        TRIPLE: ${{ steps.target.outputs.triple }}
        MUSL_PATH: ${{ steps.musl.outputs.path || steps.musl_retry1.outputs.path || steps.musl_retry2.outputs.path }}
        WINDOWS_CC: ${{ steps.windows.outputs.cc }}
        WINDOWS_CXX: ${{ steps.windows.outputs.cxx }}
      run: |
        set -euo pipefail
        extldflags=""
        case "${KIND}" in
          linux)
            test -n "${MUSL_PATH}"
            echo "${MUSL_PATH}" >> "${GITHUB_PATH}"
            cc="${TRIPLE}-gcc" cxx="${TRIPLE}-g++" extldflags="-static" ;;
          windows) cc="${WINDOWS_CC}" cxx="${WINDOWS_CXX}" ;;
          darwin) cc=clang cxx=clang++ ;;
        esac
        {
          echo "CC=${cc}"
          echo "CXX=${cxx}"
          echo "CGO_ENABLED=1"
        } >> "${GITHUB_ENV}"
        {
          echo "cc=${cc}"
          echo "cxx=${cxx}"
          echo "extldflags=${extldflags}"
        } >> "${GITHUB_OUTPUT}"