language: c
env:
  - OCAML_VERSION=4.09.1 OPAM_VERSION=2.0.7
cache:
  directories:
    - ${HOME}/.opam
    - facebook-clang-plugins
addons:
  apt:
    packages:
    - libmpfr-dev
  homebrew:
    packages:
      - aspcud
      - automake
      - gmp
      - libtool
      - lzlib
      - mpfr
      - pkg-config
      - sqlite
before_install:
  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then ARCH="macos"; else ARCH="linux"; fi
  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then export PATH="/usr/bin:${PATH}"; fi
  - wget -O ${HOME}/opam https://github.com/ocaml/opam/releases/download/${OPAM_VERSION}/opam-${OPAM_VERSION}-x86_64-${ARCH}
  - chmod +x ${HOME}/opam
  - export PATH=${HOME}:${PATH}
  - export OPAMYES=1
  - export OPAMJOBS=2
  - export INFER_OPAM_SWITCH="ocaml-variants.${OCAML_VERSION}+flambda"
  - if [ "$TRAVIS_OS_NAME" = "osx" ]; then export OPAMEXTERNALSOLVER=$(which aspcud); fi
  - opam init --compiler=${OCAML_VERSION} --disable-sandboxing
  - eval $(opam env)
  - export OPAMVERBOSE=1
install:
  # ensure infer isn't installed in this switch, then deal with dependencies
  - opam remove infer || true
  - opam update --upgrade
  - opam pin add --no-action infer .
  - if [ "$TRAVIS_OS_NAME" != "osx" ]; then opam depext --update infer; fi
  - opam install --deps-only infer
script:
  - opam install infer
before_cache:
  - opam remove infer || true
os:
- linux
- osx