v/.github/workflows/ci_bootstrapping_works.yml

name: Bootstraping works

on:
  push:
    paths-ignore:
      - "**.md"
  pull_request:
    paths-ignore:
      - "**.md"

jobs:
  ubuntu:
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    env:
      VFLAGS: -cc tcc -no-retry-compilation
      B_CFLAGS: -g -std=gnu11 -I ./thirdparty/stdatomic/nix -w
      B_LFLAGS: -lm -lpthread
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 10
      - name: Build v
        run: make

      - name: v.c can be compiled and run with -os cross (bootstrapping works)
        run: |
          ls -la v vc/v.c
          ./v -os cross -o vc/v.c cmd/v
          gcc $B_CFLAGS -o v_from_vc vc/v.c $B_LFLAGS
          ls -lart v_from_vc
          ./v_from_vc version
          ./v_from_vc run examples/hello_world.v
          ./v_from_vc -o v_from_vc_produced_native_v cmd/v
          ./v_from_vc_produced_native_v run examples/hello_world.v
          make local=1
          ls -la v vc/v.c v_from_vc v_from_vc_produced_native_v          

      - name: Ensure v up works
        run: |
          ./v cmd/tools/oldv.v
          ./cmd/tools/oldv -v HEAD^^^^^
          cd ~/.cache/oldv/v_at_HEAD_____/
          ./v version
          ./v -v up
          ./v version
          ./v  -o v2 cmd/v
          ./v2 -o v3 cmd/v          

  macos:
    runs-on: macos-11
    timeout-minutes: 30
    env:
      VFLAGS: -cc clang
      B_CFLAGS: -g -std=gnu11 -I ./thirdparty/stdatomic/nix -w
      B_LFLAGS: -lm -lpthread
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 10
      - name: Build V
        run: make && ./v -cg -cstrict -o v cmd/v

      - name: v.c can be compiled and run with -os cross (bootstrapping works)
        run: |
          ls -la v vc/v.c
          ./v -os cross -o vc/v.c cmd/v
          cc $B_CFLAGS -o v_from_vc vc/v.c $B_LFLAGS
          ls -lart v_from_vc
          ./v_from_vc version
          ./v_from_vc run examples/hello_world.v
          ./v_from_vc -o v_from_vc_produced_native_v cmd/v
          ./v_from_vc_produced_native_v run examples/hello_world.v
          ### the next make invocation will simulate building V from scratch,
          ### using this commit
          make local=1
          ls -la v vc/v.c v_from_vc v_from_vc_produced_native_v