Temporary header file '/tmp/1kIcOghQVp/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/epr_api.h"
  #include "/usr/include/epr_ptrarray.h"

  // add classes
  EPR_BandId* tmp_add_class_0;
  EPR_DSD* tmp_add_class_1;
  EPR_DatasetId* tmp_add_class_2;
  EPR_DatasetRef* tmp_add_class_3;
  EPR_Field* tmp_add_class_4;
  EPR_FlagDef* tmp_add_class_5;
  EPR_ProductId* tmp_add_class_6;
  EPR_PtrArray* tmp_add_class_7;
  EPR_Raster* tmp_add_class_8;
  EPR_Record* tmp_add_class_9;
  EPR_Time* tmp_add_class_10;
  _G_fpos64_t* tmp_add_class_11;
  _G_fpos_t* tmp_add_class_12;
  _IO_cookie_io_functions_t* tmp_add_class_13;

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