env: - PROTOBUF_VERSION=2.5.0 - PROTOBUF_VERSION=2.6.1 - PROTOBUF_VERSION=3.0.0-alpha-3 before_install: - ./install-protobuf.sh - PATH=/home/travis/bin:$PATH protoc --version script: - PATH=/home/travis/bin:$PATH make all language: go go: - 1.2.2 - 1.3.3 - 1.4.2 - 1.5