message: [CMake] EnableCcache.cmake: Add ENABLE_CCACHE option
diff: #
  # The ccache is auto-enabled if the tool is found.
  # To disable set -DCCACHE=OFF option.
  +option(ENABLE_CCACHE "Enable compiler cache (ccache) [default: ON]" ON)
  +if(ENABLE_CCACHE)
  if(NOT DEFINED CMAKE_CXX_COMPILER_LAUNCHER)
  find_program(CCACHE ccache DOC "ccache tool path; set to OFF to disable")
  if(CCACHE)
  @@ -12,6 +14,9 @@ if(NOT DEFINED CMAKE_CXX_COMPILER_LAUNCHER)
  endif()
  message(STATUS "[ccache] Enabled: ${CCACHE}")
  else()
  - message(STATUS "[ccache] Disabled.")
  + message(STATUS "[ccache] Disabled: Not found.")
  + endif()
  endif()
  +else()
  + message(STATUS "[ccache] Disabled.")
  endif()
  