language: generic os: osx matrix: include: - os: linux env: COMPILER_NAME=gcc CXX=g++-5 CC=gcc-5 addons: apt: packages: - g++-5 sources: &sources - llvm-toolchain-precise-3.8 - ubuntu-toolchain-r-test - os: linux env: COMPILER_NAME=clang CXX=clang++-3.8 CC=clang-3.8 addons: apt: packages: - clang-3.8 sources: *sources script: make all compiler: - clang - gcc