message: fabi-version=0 not supported by gcc on MacOS
diff: @@ -45,7 +45,7 @@ before_install:
  script:
  - export COMPILER_FLAGS="-mavx"
  - - if [ "$CC" = "gcc" ]; then export COMPILER_FLAGS="${COMPILER_FLAGS} -fabi-version=0"; fi
  + - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ "$CC" = "gcc" ]; then export COMPILER_FLAGS="${COMPILER_FLAGS} -fabi-version=0"; fi
  - if [ "$STD" = "CPP11" ]; then export COMPILER_FLAGS="${COMPILER_FLAGS} -std=c++11"; fi
  - if [ "$STD" = "CPP14" ]; then export COMPILER_FLAGS="${COMPILER_FLAGS} -std=c++1y"; fi
  