message: hammer: more trying
diff: @@ -102,7 +102,8 @@ matrix:
  - coveralls --build-root test --include include/nlohmann --gcov 'gcov-4.9' --gcov-options '\-lp'
  env:
  - COMPILER=g++-4.9
  - - CMAKE_OPTIONS="-DJSON_Coverage=ON -DJSON_MultipleHeader=ON"
  + - CMAKE_OPTIONS=-DJSON_Coverage=ON
  + - CMAKE_OPTIONS_MORE=-DJSON_MultipleHeader=ON
  # Coverity (only for branch coverity_scan)
  @@ -288,7 +289,7 @@ script:
  # compile and execute unit tests
  - mkdir -p build && cd build
  - - cmake .. ${CMAKE_OPTIONS} -GNinja && cmake --build . --config Release
  + - cmake .. ${CMAKE_OPTIONS} ${CMAKE_OPTIONS_MORE} -GNinja && cmake --build . --config Release
  - ctest -C Release -V -j
  - cd ..
  