message: Maybe install g++ first?
diff: @@ -20,6 +20,9 @@ matrix:
  env:
  - TARGET="Visual Studio 15 2017 Win64"
  +before_script:
  + - if [[ "$TRAVIS_COMPILER" == "gcc" ]]; then sudo apt install g++; fi
  +
  script:
  - if [[ "$TRAVIS_COMPILER" == "gcc" ]]; then make -j2 config=coverage test; fi
  - if [[ "$TRAVIS_COMPILER" == "clang" ]]; then make -j2 config=sanitize test; fi
  