message: Export compile_commands.json by default
diff: @@ -11,6 +11,8 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
  endif()
  +set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
  +
  set(Boost_ADDITIONAL_VERSIONS "1.67" "1.67.0")
  find_package(Boost 1.60.0 REQUIRED)
  find_package(Threads REQUIRED)
  