Temporary header file '/tmp/YqN03lDeLd/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/mrpt/comms/include/mrpt/comms/CClientTCPSocket.h"
  #include "/usr/include/mrpt/comms/include/mrpt/comms/CInterfaceFTDI.h"
  #include "/usr/include/mrpt/comms/include/mrpt/comms/CSerialPort.h"
  #include "/usr/include/mrpt/comms/include/mrpt/comms/CServerTCPSocket.h"
  #include "/usr/include/mrpt/comms/include/mrpt/comms/net_utils.h"
  #include "/usr/include/mrpt/comms/include/mrpt/comms/nodelets.h"
  #include "/usr/include/mrpt/comms/include/mrpt/comms/registerAllClasses.h"
  #include "/usr/include/mrpt/comms/include/mrpt/comms.h"

  // add namespaces
  namespace mrpt{typedef int tmp_add_type_1;}
  mrpt::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace mrpt{namespace comms{typedef int tmp_add_type_2;}}
  mrpt::comms::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace mrpt{namespace comms{namespace net{typedef int tmp_add_type_3;}}}
  mrpt::comms::net::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace mrpt{namespace containers{typedef int tmp_add_type_4;}}
  mrpt::containers::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace mrpt{namespace containers{namespace internal{typedef int tmp_add_type_5;}}}
  mrpt::containers::internal::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace mrpt{namespace internal{typedef int tmp_add_type_6;}}
  mrpt::internal::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace mrpt{namespace io{typedef int tmp_add_type_7;}}
  mrpt::io::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace mrpt{namespace literals{typedef int tmp_add_type_8;}}
  mrpt::literals::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace mrpt{namespace system{typedef int tmp_add_type_9;}}
  mrpt::system::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace mrpt{namespace system{namespace os{typedef int tmp_add_type_10;}}}
  mrpt::system::os::tmp_add_type_10 tmp_add_func_10(){return 0;};
  namespace mrpt{namespace typemeta{typedef int tmp_add_type_11;}}
  mrpt::typemeta::tmp_add_type_11 tmp_add_func_11(){return 0;};
  namespace mrpt{namespace typemeta{namespace detail{typedef int tmp_add_type_12;}}}
  mrpt::typemeta::detail::tmp_add_type_12 tmp_add_func_12(){return 0;};
  namespace mrpt{namespace typemeta{namespace internal{typedef int tmp_add_type_13;}}}
  mrpt::typemeta::internal::tmp_add_type_13 tmp_add_func_13(){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;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/YqN03lDeLd/dump1.h"  -I/usr/include/mrpt/typemeta/include -I/usr/include/mrpt/system/include -I/usr/include/mrpt/io/include -I/usr/include/mrpt/core/include -I/usr/include/mrpt/containers/include -I/usr/include/mrpt/comms/include