Temporary header file '/tmp/XK26KYn2WF/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
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/mlt-7/mlt++/Mlt.h"
  #include "/usr/include/mlt-7/mlt++/MltAnimation.h"
  #include "/usr/include/mlt-7/mlt++/MltAudio.h"
  #include "/usr/include/mlt-7/mlt++/MltChain.h"
  #include "/usr/include/mlt-7/mlt++/MltConfig.h"
  #include "/usr/include/mlt-7/mlt++/MltConsumer.h"
  #include "/usr/include/mlt-7/mlt++/MltDeque.h"
  #include "/usr/include/mlt-7/mlt++/MltEvent.h"
  #include "/usr/include/mlt-7/mlt++/MltFactory.h"
  #include "/usr/include/mlt-7/mlt++/MltField.h"
  #include "/usr/include/mlt-7/mlt++/MltFilter.h"
  #include "/usr/include/mlt-7/mlt++/MltFilteredConsumer.h"
  #include "/usr/include/mlt-7/mlt++/MltFilteredProducer.h"
  #include "/usr/include/mlt-7/mlt++/MltFrame.h"
  #include "/usr/include/mlt-7/mlt++/MltImage.h"
  #include "/usr/include/mlt-7/mlt++/MltLink.h"
  #include "/usr/include/mlt-7/mlt++/MltMultitrack.h"
  #include "/usr/include/mlt-7/mlt++/MltParser.h"
  #include "/usr/include/mlt-7/mlt++/MltPlaylist.h"
  #include "/usr/include/mlt-7/mlt++/MltProducer.h"
  #include "/usr/include/mlt-7/mlt++/MltProfile.h"
  #include "/usr/include/mlt-7/mlt++/MltProperties.h"
  #include "/usr/include/mlt-7/mlt++/MltPushConsumer.h"
  #include "/usr/include/mlt-7/mlt++/MltRepository.h"
  #include "/usr/include/mlt-7/mlt++/MltService.h"
  #include "/usr/include/mlt-7/mlt++/MltTokeniser.h"
  #include "/usr/include/mlt-7/mlt++/MltTractor.h"
  #include "/usr/include/mlt-7/mlt++/MltTransition.h"

  // add namespaces
  namespace Mlt{typedef int tmp_add_type_1;}
  Mlt::tmp_add_type_1 tmp_add_func_1(){return 0;};

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _IO_cookie_io_functions_t* tmp_add_class_2;
  mlt_animation_item_s* tmp_add_class_3;
  mlt_audio_s* tmp_add_class_4;
  mlt_chain_s* tmp_add_class_5;
  mlt_consumer_s* tmp_add_class_6;
  mlt_filter_s* tmp_add_class_7;
  mlt_frame_s* tmp_add_class_8;
  mlt_image_s* tmp_add_class_9;
  mlt_link_s* tmp_add_class_10;
  mlt_multitrack_s* tmp_add_class_11;
  mlt_parser_s* tmp_add_class_12;
  mlt_playlist_s* tmp_add_class_13;
  mlt_producer_s* tmp_add_class_14;
  mlt_profile_s* tmp_add_class_15;
  mlt_properties_s* tmp_add_class_16;
  mlt_service_s* tmp_add_class_17;
  mlt_track_s* tmp_add_class_18;
  mlt_tractor_s* tmp_add_class_19;
  mlt_transition_s* tmp_add_class_20;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/XK26KYn2WF/dump1.h"  -I/usr/include/mlt-7