Temporary header file '/tmp/1mmOAb5_t5/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#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/libdjvu/ddjvuapi.h"
  #include "/usr/include/libdjvu/miniexp.h"

  // 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;
  ddjvu_fileinfo_s* tmp_add_class_3;
  ddjvu_message_any_s* tmp_add_class_4;
  ddjvu_message_chunk_s* tmp_add_class_5;
  ddjvu_message_docinfo_s* tmp_add_class_6;
  ddjvu_message_error_s* tmp_add_class_7;
  ddjvu_message_info_s* tmp_add_class_8;
  ddjvu_message_newstream_s* tmp_add_class_9;
  ddjvu_message_pageinfo_s* tmp_add_class_10;
  ddjvu_message_progress_s* tmp_add_class_11;
  ddjvu_message_redisplay_s* tmp_add_class_12;
  ddjvu_message_relayout_s* tmp_add_class_13;
  ddjvu_message_s* tmp_add_class_14;
  ddjvu_message_thumbnail_s* tmp_add_class_15;
  ddjvu_pageinfo_s* tmp_add_class_16;
  ddjvu_rect_s* tmp_add_class_17;
  miniexp_io_s* tmp_add_class_18;
  miniobj_t* tmp_add_class_19;
  minivar_t* tmp_add_class_20;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/1mmOAb5_t5/dump1.h"