language: c
matrix:
  include:
    # Access more recent gcc and clang via a Trusty image
    - os: linux
      dist: trusty
      compiler: gcc
    - os: linux
      dist: trusty
      compiler: clang
    - os: osx
      compiler: gcc
    - os: osx
      compiler: clang
script:
  - export CFLAGS=-Werror
  - make clean
  - make
  - make clean
  - make -f Makefile.generic