message: Added option to disable gc-sections flag
diff: @@ -184,8 +184,8 @@ if(CMAKE_COMPILER_IS_GNUCXX)
  # Remove unreferenced functions: function level linking
  add_extra_compiler_option(-ffunction-sections)
  add_extra_compiler_option(-fdata-sections)
  - if(NOT APPLE)
  - set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
  + if(NOT APPLE AND NOT OPENCV_SKIP_GC_SECTIONS)
  + set(OPENCV_EXTRA_EXE_LINKER_FLAGS "${OPENCV_EXTRA_EXE_LINKER_FLAGS} -Wl,--gc-sections")
  endif()
  endif()
  