Temporary header file '/tmp/f5OYC_adOg/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

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

  // add classes
  SvdrpCommand_v1_0* tmp_add_class_0;
  SvdrpConnection_v1_0* tmp_add_class_1;
  _G_fpos64_t* tmp_add_class_2;
  _G_fpos_t* tmp_add_class_3;
  _IO_cookie_io_functions_t* tmp_add_class_4;
  cBackTrace* tmp_add_class_5;
  cBase64Encoder* tmp_add_class_6;
  cBitStream* tmp_add_class_7;
  cCharSetConv* tmp_add_class_8;
  cCondVar* tmp_add_class_9;
  cCondWait* tmp_add_class_10;
  cDynamicBuffer* tmp_add_class_11;
  cFile* tmp_add_class_12;
  cFileNameList* tmp_add_class_13;
  cHashBase* tmp_add_class_14;
  cHashObject* tmp_add_class_15;
  cIoThrottle* tmp_add_class_16;
  cLine* tmp_add_class_17;
  cListBase* tmp_add_class_18;
  cListGarbageCollector* tmp_add_class_19;
  cListObject* tmp_add_class_20;
  cLockFile* tmp_add_class_21;
  cMutex* tmp_add_class_22;
  cMutexLock* tmp_add_class_23;
  cNullTerminate* tmp_add_class_24;
  cPipe* tmp_add_class_25;
  cPoller* tmp_add_class_26;
  cReadDir* tmp_add_class_27;
  cReadLine* tmp_add_class_28;
  cRwLock* tmp_add_class_29;
  cSafeFile* tmp_add_class_30;
  cStateKey* tmp_add_class_31;
  cStateLock* tmp_add_class_32;
  cString* tmp_add_class_33;
  cStringList* tmp_add_class_34;
  cThread* tmp_add_class_35;
  cThreadLock* tmp_add_class_36;
  cTimeMs* tmp_add_class_37;
  cUnbufferedFile* tmp_add_class_38;
  f_owner_ex* tmp_add_class_39;
  file_handle* tmp_add_class_40;
  flock64* tmp_add_class_41;
  iovec* tmp_add_class_42;
  pollfd* tmp_add_class_43;
  statx_timestamp* tmp_add_class_44;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/f5OYC_adOg/dump1.h"