message: Passtrough system build flags (Lebdron)
diff: @@ -13,9 +13,9 @@ PROJECT(iroha C CXX)
  SET(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
  if (NOT MSVC)
  - SET(CMAKE_CXX_FLAGS "-std=c++14 -Wall -fdiagnostics-color=always")
  - SET(CMAKE_CXX_FLAGS_RELEASE "-O3 -Wno-error=deprecated-declarations")
  - SET(CMAKE_CXX_FLAGS_DEBUG "-g -Wextra -Wno-unused-parameter -Wno-deprecated-declarations -O0")
  + SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wall -fdiagnostics-color=always")
  + SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -Wno-error=deprecated-declarations")
  + SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g -Wextra -Wno-unused-parameter -Wno-deprecated-declarations -O0")
  endif()
  SET(CMAKE_CXX_OUTPUT_EXTENSION_REPLACE 1)
  SET(CMAKE_INSTALL_RPATH "../lib")
  