Temporary header file '/tmp/dnlbNT1Hzn/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/librcc.h"
  #include "/usr/include/librccui.h"

  // add classes
  rcc_class_default_charset_t* tmp_add_class_0;
  rcc_class_t* tmp_add_class_1;
  rcc_compiled_configuration_t* tmp_add_class_2;
  rcc_engine_t* tmp_add_class_3;
  rcc_language_alias_t* tmp_add_class_4;
  rcc_language_relation_t* tmp_add_class_5;
  rcc_language_t* tmp_add_class_6;
  rcc_name_t* tmp_add_class_7;
  rcc_option_name_t* tmp_add_class_8;
  rcc_option_range_t* tmp_add_class_9;
  rcc_ui_charset_frame_name_t* tmp_add_class_10;
  rcc_ui_engine_frame_name_t* tmp_add_class_11;
  rcc_ui_language_frame_name_t* tmp_add_class_12;
  rcc_ui_page_name_t* tmp_add_class_13;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/dnlbNT1Hzn/dump1.h"