Temporary header file '/tmp/xr6_S_4Ptg/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#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/qfits.h"
  #include "/usr/include/qfits_cache.h"
  #include "/usr/include/qfits_filename.h"
  #include "/usr/include/qfits_header.h"
  #include "/usr/include/qfits_image.h"
  #include "/usr/include/qfits_md5.h"
  #include "/usr/include/qfits_memory.h"
  #include "/usr/include/qfits_rw.h"
  #include "/usr/include/qfits_std.h"
  #include "/usr/include/qfits_table.h"
  #include "/usr/include/qfits_time.h"
  #include "/usr/include/qfits_tools.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;
  qfits_col* tmp_add_class_3;
  qfits_header* tmp_add_class_4;
  qfits_table* tmp_add_class_5;
  qfitsdumper* tmp_add_class_6;
  qfitsloader* tmp_add_class_7;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/xr6_S_4Ptg/dump1.h"