Temporary header file '/tmp/HBIi_Pphbb/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/mosquitto_broker.h"
  #include "/usr/include/mosquitto_plugin.h"

  // add classes
  mosquitto_acl_msg* tmp_add_class_0;
  mosquitto_auth_opt* tmp_add_class_1;
  mosquitto_evt_acl_check* tmp_add_class_2;
  mosquitto_evt_basic_auth* tmp_add_class_3;
  mosquitto_evt_control* tmp_add_class_4;
  mosquitto_evt_disconnect* tmp_add_class_5;
  mosquitto_evt_extended_auth* tmp_add_class_6;
  mosquitto_evt_message* tmp_add_class_7;
  mosquitto_evt_psk_key* tmp_add_class_8;
  mosquitto_evt_reload* tmp_add_class_9;
  mosquitto_evt_tick* tmp_add_class_10;
  mosquitto_opt* tmp_add_class_11;

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