Temporary header file '/tmp/G7VJkpZ6_W/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _TIME_BITS 64
#define _FILE_OFFSET_BITS 64
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED

  // add includes
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_device.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_device_detector.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_device_setting.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_event_listener.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_image.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_image_list.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_status.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_storage.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_storage_list.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/camera_time.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/capture.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/capture_method.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/capture_setting.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/error.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/export.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/exposure_compensation.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/exposure_program.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/f_number.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/hyper_operation_enable.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/iso.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/live_view_specification.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/point.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/response.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/shutter_speed.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/still_image_capture_format.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/still_image_quality.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/storage_writing.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/user_capture_settings_mode.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/version.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk/white_balance.hpp"
  #include "/usr/include/libricohcamerasdk/ricoh_camera_sdk.hpp"

  // add namespaces
  namespace Ricoh{typedef int tmp_add_type_1;}
  Ricoh::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace Ricoh{namespace CameraController{typedef int tmp_add_type_2;}}
  Ricoh::CameraController::tmp_add_type_2 tmp_add_func_2(){return 0;};

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _IO_cookie_io_functions_t* tmp_add_class_2;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/G7VJkpZ6_W/dump1.h"  -I/usr/include/libricohcamerasdk