Temporary header file '/tmp/73H5pVVEg7/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/harp.h"

  // add classes
  harp_array_union* tmp_add_class_0;
  harp_collocation_pair_struct* tmp_add_class_1;
  harp_collocation_result_struct* tmp_add_class_2;
  harp_dataset_struct* tmp_add_class_3;
  harp_product_metadata_struct* tmp_add_class_4;
  harp_product_struct* tmp_add_class_5;
  harp_scalar_union* tmp_add_class_6;
  harp_variable_struct* tmp_add_class_7;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/73H5pVVEg7/dump1.h"