language: c
compiler:
  - gcc
  - clang
env:
  - DEBUG=
  - DEBUG=debug
script: make $DEBUG

language: c
matrix:
  include:
    - os: linux
      compiler: gcc
      env: TARGET=
    - os: linux
      compiler: clang
      env: TARGET=
    - os: linux
      compiler: gcc
      env: TARGET=debug
    - os: linux
      compiler: clang
      env: TARGET=debug
    - os: osx
      compiler: clang
      env: TARGET=
    - os: osx
      compiler: clang
      env: TARGET=debug
script: ./configure && make $TARGET

Expand build matrix on Travis CI
Expand build matrix on Travis CI
