+ compiler: gcc
+ os: linux
+ - env: PLATFORM=Unix COMPILER=clang
+ compiler: clang
+ os: osx
+ - env: PLATFORM=Unix COMPILER=g++
+ compiler: gcc
+ os: linux
+ - env: PLATFORM=Unix COMPILER=clang
+ compiler: clang
+ os: linux
+ - env: PLATFORM=Unix COMPILER=clang VALGRIND=1
+ compiler: clang
+ os: linux
+ dist: trusty
+ - env: COMPILER=none LINT=1