.travis.yml

sudo: false
language: generic

# Speed builds up by caching install requirements
cache:
  directories:
  - $HOME/.ghc
  - $HOME/.cabal

matrix:
  include:
    ## Test Compilers
    # Test GHC 7.10.3
    - env: GHCVER=7.10.3 LUAVER=default CABALVER=1.22
      compiler: ": #GHC 7.10.3"
      addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.3], sources: [hvr-ghc]}}
    # Test GHC 8.0.2
    - env: GHCVER=8.0.2 LUAVER=default CABALVER=2.0
      compiler: ": #GHC 8.0.2"
      addons: {apt: {packages: [cabal-install-2.0,ghc-8.0.2], sources: [hvr-ghc]}}
    # Test GHC 8.2.2
    - env: GHCVER=8.2.2 LUAVER=default CABALVER=2.0
      compiler: ": #GHC 8.2.2"
      addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.2], sources: [hvr-ghc]}}
    # Test GHC 8.4.3
    - env: GHCVER=8.4.3 LUAVER=default CABALVER=2.0
      compiler: ": #GHC 8.4.3"
      addons: {apt: {packages: [cabal-install-2.0,ghc-8.4.3], sources: [hvr-ghc]}}
    # Test GHC 8.6
    - env: GHCVER=8.6.1 LUAVER=default CABALVER=2.0
      compiler: ": #GHC 8.6.1"
      addons: {apt: {packages: [cabal-install-2.0,ghc-8.6.1], sources: [hvr-ghc]}}

    ## Test system Lua
    # Test system Lua 5.3
    - env: GHCVER=8.4.3 LUAVER=lua-5.3.5 CABALVER=2.0
      compiler: ": #GHC 8.4.3"
      addons: {apt: {packages: [cabal-install-2.0,ghc-8.4.3], sources: [hvr-ghc]}}

  # mark build as successful as soon as all required successes are in.
  fast_finish: true

before_install:
  - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$HOME/.cabal/bin:$PATH
  - cabal update

install:
  - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
  - echo "$(cabal --version)"
  - cabal install --only-dependencies --enable-tests --disable-optimization

script:
  - CABAL_CONFIG_ARGS=""
  - |
    # Enable coverage testing for the main repo only as it will fail otherwise.
    if [ -n "${COVERAGE}" ] && [ "${TRAVIS_REPO_SLUG}" = "hslua/hslua" ]; then
        CABAL_CONFIG_ARGS="--enable-library-coverage";
    fi
  - |
    case "$LUAVER" in
      (lua-5*):
          # Install Lua
          wget http://www.lua.org/ftp/${LUAVER}.tar.gz
          tar -xf ${LUAVER}.tar.gz
          cd ${LUAVER}
          sed -i 's/^CFLAGS= -O2 -Wall/CFLAGS= -O2 -Wall -fPIC/' src/Makefile
          make linux
          make install INSTALL_TOP=${HOME}/usr
          cd ..

          # Compile and link using system-wide Lua
          CABAL_CONFIG_ARGS="$CABAL_CONFIG_ARGS -fsystem-lua"
          CABAL_CONFIG_ARGS="$CABAL_CONFIG_ARGS --extra-include-dirs=${HOME}/usr/include"
          CABAL_CONFIG_ARGS="$CABAL_CONFIG_ARGS --extra-lib-dirs=${HOME}/usr/lib"
          ;;
    esac
  - export LD_LIBRARY_PATH=${HOME}/usr/lib:$LD_LIBRARY_PATH
  - echo $CABAL_CONFIG_ARGS
  - cabal configure --enable-tests --disable-optimization $([ $GHCVER == "7.10.3" ] || printf '--ghc-options="-Werror"') $CABAL_CONFIG_ARGS
  - cabal build
  - cabal test
  - cabal copy
  - cabal sdist
  # Run HLint
  - curl -sL https://raw.github.com/ndmitchell/hlint/master/misc/travis.sh | sh -s .