realm-js/CMake/CompilerFlags.cmake

set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED on)
set(CMAKE_CXX_EXTENSIONS off)
set(CMAKE_BUILD_TYPE CACHE STRING Debug)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")

if(${CMAKE_GENERATOR} STREQUAL "Ninja")
    if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics")
    elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdiagnostics-color=always")
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color=always")
    endif()
endif()