Temporary header file '/tmp/OGaoe1_3gh/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/smpeg/MPEG.h"
  #include "/usr/include/smpeg/MPEGaction.h"
  #include "/usr/include/smpeg/MPEGaudio.h"
  #include "/usr/include/smpeg/MPEGerror.h"
  #include "/usr/include/smpeg/MPEGfilter.h"
  #include "/usr/include/smpeg/MPEGlist.h"
  #include "/usr/include/smpeg/MPEGring.h"
  #include "/usr/include/smpeg/MPEGstream.h"
  #include "/usr/include/smpeg/MPEGsystem.h"
  #include "/usr/include/smpeg/MPEGvideo.h"
  #include "/usr/include/smpeg/smpeg.h"

  // add classes
  MPEG* tmp_add_class_0;
  MPEG_AudioInfo* tmp_add_class_1;
  MPEG_SystemInfo* tmp_add_class_2;
  MPEG_VideoInfo* tmp_add_class_3;
  MPEG_ring* tmp_add_class_4;
  MPEGaction* tmp_add_class_5;
  MPEGaudio* tmp_add_class_6;
  MPEGaudioaction* tmp_add_class_7;
  MPEGerror* tmp_add_class_8;
  MPEGlist* tmp_add_class_9;
  MPEGstream* tmp_add_class_10;
  MPEGstream_marker* tmp_add_class_11;
  MPEGsystem* tmp_add_class_12;
  MPEGvideo* tmp_add_class_13;
  MPEGvideoaction* tmp_add_class_14;
  Mpegbitwindow* tmp_add_class_15;
  SDL_ActiveEvent* tmp_add_class_16;
  SDL_AudioCVT* tmp_add_class_17;
  SDL_AudioSpec* tmp_add_class_18;
  SDL_CD* tmp_add_class_19;
  SDL_CDtrack* tmp_add_class_20;
  SDL_Color* tmp_add_class_21;
  SDL_Cursor* tmp_add_class_22;
  SDL_Event* tmp_add_class_23;
  SDL_ExposeEvent* tmp_add_class_24;
  SDL_JoyAxisEvent* tmp_add_class_25;
  SDL_JoyBallEvent* tmp_add_class_26;
  SDL_JoyButtonEvent* tmp_add_class_27;
  SDL_JoyHatEvent* tmp_add_class_28;
  SDL_KeyboardEvent* tmp_add_class_29;
  SDL_MouseButtonEvent* tmp_add_class_30;
  SDL_MouseMotionEvent* tmp_add_class_31;
  SDL_Overlay* tmp_add_class_32;
  SDL_Palette* tmp_add_class_33;
  SDL_PixelFormat* tmp_add_class_34;
  SDL_QuitEvent* tmp_add_class_35;
  SDL_RWops* tmp_add_class_36;
  SDL_Rect* tmp_add_class_37;
  SDL_ResizeEvent* tmp_add_class_38;
  SDL_Surface* tmp_add_class_39;
  SDL_SysWMEvent* tmp_add_class_40;
  SDL_UserEvent* tmp_add_class_41;
  SDL_VideoInfo* tmp_add_class_42;
  SDL_keysym* tmp_add_class_43;
  SDL_version* tmp_add_class_44;
  SMPEG_Filter* tmp_add_class_45;
  SMPEG_FilterInfo* tmp_add_class_46;
  _G_fpos64_t* tmp_add_class_47;
  _G_fpos_t* tmp_add_class_48;
  _IO_cookie_io_functions_t* tmp_add_class_49;
  _SMPEG_Info* tmp_add_class_50;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/OGaoe1_3gh/dump1.h"  -I/usr/include/SDL