Temporary header file '/tmp/hQCKPHmbRk/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/unicap/debug.h"
  #include "/usr/include/unicap/unicap.h"
  #include "/usr/include/unicap/unicap_status.h"
  #include "/usr/include/unicap/unicap_version.h"

  // add classes
  _unicap_data_buffer_t* tmp_add_class_0;
  _unicap_device_t* tmp_add_class_1;
  _unicap_format_t* tmp_add_class_2;
  _unicap_property_menu_t* tmp_add_class_3;
  _unicap_property_range_t* tmp_add_class_4;
  _unicap_property_t* tmp_add_class_5;
  _unicap_property_value_list_t* tmp_add_class_6;
  _unicap_rect_t* tmp_add_class_7;
  itimerval* tmp_add_class_8;
  unicap_data_buffer_init_data* tmp_add_class_9;

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