Fix for ambiguous show error when compiling with ghc-9.2.7
#37
Workflow file for this run
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| name: build | |
| on: [push, pull_request] | |
| permissions: | |
| contents: read | |
| jobs: | |
| build: | |
| name: GHC ${{ matrix.ghc-version }} on ${{ matrix.os }} | |
| runs-on: ${{ matrix.os }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| os: [ubuntu-latest, macos-latest] | |
| ghc-version: ["9.2.7", "9.4.4", "9.6.1"] | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - name: Set up GHC ${{ matrix.ghc-version }} | |
| uses: haskell-actions/setup@v2 | |
| id: setup | |
| with: | |
| ghc-version: ${{ matrix.ghc-version }} | |
| # Defaults, added for clarity: | |
| cabal-version: "latest" | |
| cabal-update: true | |
| - name: Set up LLVM | |
| run: | | |
| echo "Installing llvm-17 on $RUNNER_OS" | |
| if [ "$RUNNER_OS" == "macOS" ]; then | |
| brew update | |
| brew install llvm@17 | |
| else | |
| wget https://apt.llvm.org/llvm.sh | |
| chmod +x llvm.sh | |
| sudo ./llvm.sh 17 | |
| fi | |
| - name: Installed minor versions of GHC and Cabal | |
| shell: bash | |
| run: | | |
| GHC_VERSION=$(ghc --numeric-version) | |
| CABAL_VERSION=$(cabal --numeric-version) | |
| echo "GHC_VERSION=${GHC_VERSION}" >> "${GITHUB_ENV}" | |
| echo "CABAL_VERSION=${CABAL_VERSION}" >> "${GITHUB_ENV}" | |
| cabal install hspec-discover | |
| - name: Configure the build | |
| run: | | |
| cabal configure --enable-tests --enable-benchmarks --disable-documentation | |
| cabal build --dry-run | |
| # The last step generates dist-newstyle/cache/plan.json for the cache key. | |
| - name: Restore cached dependencies | |
| uses: actions/cache/restore@v3 | |
| id: cache | |
| with: | |
| path: ${{ steps.setup.outputs.cabal-store }} | |
| key: ${{ runner.os }}-ghc-${{ env.GHC_VERSION }}-cabal-${{ env.CABAL_VERSION }}-plan-${{ hashFiles('**/plan.json') }} | |
| restore-keys: | | |
| ${{ runner.os }}-ghc-${{ env.GHC_VERSION }}-cabal-${{ env.CABAL_VERSION }}- | |
| - name: Install dependencies | |
| run: cabal build all --only-dependencies | |
| # Cache dependencies already here, so that we do not have to rebuild them should the subsequent steps fail. | |
| - name: Save cached dependencies | |
| uses: actions/cache/save@v3 | |
| # Caches are immutable, trying to save with the same key would error. | |
| if: ${{ steps.cache.outputs.cache-primary-key != steps.cache.outputs.cache-matched-key }} | |
| with: | |
| path: ${{ steps.setup.outputs.cabal-store }} | |
| key: ${{ steps.cache.outputs.cache-primary-key }} | |
| - name: Build | |
| run: | | |
| if [ "$RUNNER_OS" == "macOS" ]; then | |
| export PATH="/opt/homebrew/opt/llvm@17/bin:$PATH" | |
| export LDFLAGS="-L/opt/homebrew/opt/llvm@17/lib" | |
| export CPPFLAGS="-I/opt/homebrew/opt/llvm@17/include" | |
| llvm-config --version | |
| fi | |
| cabal build all | |
| - name: Run tests | |
| run: | | |
| if [ "$RUNNER_OS" == "macOS" ]; then | |
| export PATH="/opt/homebrew/opt/llvm@17/bin:$PATH" | |
| export LDFLAGS="-L/opt/homebrew/opt/llvm@17/lib" | |
| export CPPFLAGS="-I/opt/homebrew/opt/llvm@17/include" | |
| llvm-config --version | |
| fi | |
| cabal test all |