.travis.yml

language: c

# explicitly request container-based infrastructure
sudo: false

matrix:
  include:
    - env: CABALVER=2.4 GHCVER=8.0.1
      addons: {apt: {packages: [cabal-install-2.4,ghc-8.0.1], sources: [hvr-ghc]}}
    - env: CABALVER=2.4 GHCVER=8.2.2
      addons: {apt: {packages: [cabal-install-2.4,ghc-8.2.2], sources: [hvr-ghc]}}
    - env: CABALVER=2.4 GHCVER=8.4.4
      addons: {apt: {packages: [cabal-install-2.4,ghc-8.4.4], sources: [hvr-ghc]}}
    - env: CABALVER=2.4 GHCVER=8.6.2
      addons: {apt: {packages: [cabal-install-2.4,ghc-8.6.2], 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
 - time cabal install -j1 --only-dependencies --enable-tests --enable-benchmarks

# Here starts the actual work to be performed for the package under test; any command which exits with a non-zero exit code causes the build to fail.
script:
 - if [ -f configure.ac ]; then autoreconf -i; fi
 - time cabal configure --enable-tests --enable-benchmarks -v2 --disable-shared # -v2 provides useful information for debugging
 - time cabal build -j1  # this builds all libraries and executables (including tests/benchmarks)
 - time cabal test
 - time cabal check