.travis.yml

# From https://github.com/hvr/multi-ghc-travis (thank you)

language: c

sudo: false

matrix:
  include:
    - env: CABALVER=1.22 GHCVER=7.10.1
      addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.1],sources: [hvr-ghc]}}
    - env: CABALVER=head GHCVER=head
      addons: {apt: {packages: [cabal-install-head,ghc-head],  sources: [hvr-ghc]}}

  allow_failures:
    - env: CABALVER=head GHCVER=head

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

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

script:
  - if [ -f configure.ac ]; then autoreconf -i; fi
  # -v2 provides useful information for debugging
  - cabal configure --enable-tests --enable-benchmarks -v2
  - cabal build
  - cabal test
  - cabal check
  - cabal sdist

  # check that the generated source-distribution can be built & installed
  - SRC_TGZ=$(cabal info . | awk '{print $2;exit}').tar.gz &&
    (cd dist && cabal install --force-reinstalls "$SRC_TGZ")