22 - ubuntu-toolchain-r-test
25 - ./autogen.sh && make -j4
26 - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ./travis-autogen.sh --disable-udev && make -j4; fi
27 - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then cd Xcode && xcodebuild -project libusb.xcodeproj ; fi