Temporary header file '/tmp/KbpIvj2Pbb/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

  // add includes
  #include "/usr/include/libftdi1/ftdi.hpp"

  // add namespaces
  namespace boost{typedef int tmp_add_type_1;}
  boost::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace boost{namespace detail{typedef int tmp_add_type_2;}}
  boost::detail::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace boost{namespace movelib{typedef int tmp_add_type_3;}}
  boost::movelib::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace Ftdi{typedef int tmp_add_type_4;}
  Ftdi::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace boost{namespace exception_detail{typedef int tmp_add_type_5;}}
  boost::exception_detail::tmp_add_type_5 tmp_add_func_5(){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;
  ftdi_context* tmp_add_class_3;
  ftdi_device_list* tmp_add_class_4;
  ftdi_transfer_control* tmp_add_class_5;
  ftdi_version_info* tmp_add_class_6;
  itimerval* tmp_add_class_7;
  size_and_time* tmp_add_class_8;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/KbpIvj2Pbb/dump1.h"  -I/usr/include/libftdi1