Temporary header file '/tmp/eGW5QNzkLu/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/proton/annotation_key.hpp"
  #include "/usr/include/proton/binary.hpp"
  #include "/usr/include/proton/byte_array.hpp"
  #include "/usr/include/proton/codec/common.hpp"
  #include "/usr/include/proton/codec/decoder.hpp"
  #include "/usr/include/proton/codec/deque.hpp"
  #include "/usr/include/proton/codec/encoder.hpp"
  #include "/usr/include/proton/codec/forward_list.hpp"
  #include "/usr/include/proton/codec/list.hpp"
  #include "/usr/include/proton/codec/map.hpp"
  #include "/usr/include/proton/codec/unordered_map.hpp"
  #include "/usr/include/proton/codec/vector.hpp"
  #include "/usr/include/proton/connect_config.hpp"
  #include "/usr/include/proton/connection.hpp"
  #include "/usr/include/proton/connection_options.hpp"
  #include "/usr/include/proton/container.hpp"
  #include "/usr/include/proton/decimal.hpp"
  #include "/usr/include/proton/default_container.hpp"
  #include "/usr/include/proton/delivery.hpp"
  #include "/usr/include/proton/delivery_mode.hpp"
  #include "/usr/include/proton/duration.hpp"
  #include "/usr/include/proton/endpoint.hpp"
  #include "/usr/include/proton/error.hpp"
  #include "/usr/include/proton/error_condition.hpp"
  #include "/usr/include/proton/function.hpp"
  #include "/usr/include/proton/fwd.hpp"
  #include "/usr/include/proton/internal/comparable.hpp"
  #include "/usr/include/proton/internal/data.hpp"
  #include "/usr/include/proton/internal/export.hpp"
  #include "/usr/include/proton/internal/object.hpp"
  #include "/usr/include/proton/internal/type_traits.hpp"
  #include "/usr/include/proton/io/connection_driver.hpp"
  #include "/usr/include/proton/link.hpp"
  #include "/usr/include/proton/listen_handler.hpp"
  #include "/usr/include/proton/listener.hpp"
  #include "/usr/include/proton/map.hpp"
  #include "/usr/include/proton/message.hpp"
  #include "/usr/include/proton/message_id.hpp"
  #include "/usr/include/proton/messaging_handler.hpp"
  #include "/usr/include/proton/namespaces.hpp"
  #include "/usr/include/proton/null.hpp"
  #include "/usr/include/proton/receiver.hpp"
  #include "/usr/include/proton/receiver_options.hpp"
  #include "/usr/include/proton/reconnect_options.hpp"
  #include "/usr/include/proton/returned.hpp"
  #include "/usr/include/proton/sasl.hpp"
  #include "/usr/include/proton/scalar.hpp"
  #include "/usr/include/proton/scalar_base.hpp"
  #include "/usr/include/proton/sender.hpp"
  #include "/usr/include/proton/sender_options.hpp"
  #include "/usr/include/proton/session.hpp"
  #include "/usr/include/proton/session_options.hpp"
  #include "/usr/include/proton/source.hpp"
  #include "/usr/include/proton/source_options.hpp"
  #include "/usr/include/proton/ssl.hpp"
  #include "/usr/include/proton/symbol.hpp"
  #include "/usr/include/proton/target.hpp"
  #include "/usr/include/proton/target_options.hpp"
  #include "/usr/include/proton/terminus.hpp"
  #include "/usr/include/proton/thread_safe.hpp"
  #include "/usr/include/proton/timestamp.hpp"
  #include "/usr/include/proton/tracker.hpp"
  #include "/usr/include/proton/transfer.hpp"
  #include "/usr/include/proton/transport.hpp"
  #include "/usr/include/proton/type_id.hpp"
  #include "/usr/include/proton/types.hpp"
  #include "/usr/include/proton/types_fwd.hpp"
  #include "/usr/include/proton/url.hpp"
  #include "/usr/include/proton/uuid.hpp"
  #include "/usr/include/proton/value.hpp"
  #include "/usr/include/proton/work_queue.hpp"

  // add namespaces
  namespace proton{typedef int tmp_add_type_1;}
  proton::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace proton{namespace codec{typedef int tmp_add_type_2;}}
  proton::codec::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace proton{namespace internal{typedef int tmp_add_type_3;}}
  proton::internal::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace proton{namespace internal{namespace v03{typedef int tmp_add_type_4;}}}
  proton::internal::v03::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace proton{namespace internal{namespace v11{typedef int tmp_add_type_5;}}}
  proton::internal::v11::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace proton{namespace io{typedef int tmp_add_type_6;}}
  proton::io::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace proton{namespace codec{namespace is_encodable_impl{typedef int tmp_add_type_7;}}}
  proton::codec::is_encodable_impl::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace proton{namespace connect_config{typedef int tmp_add_type_8;}}
  proton::connect_config::tmp_add_type_8 tmp_add_func_8(){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;
  pn_bytes_t* tmp_add_class_3;
  pn_class_t* tmp_add_class_4;
  pn_connection_driver_t* tmp_add_class_5;
  pn_rwbytes_t* tmp_add_class_6;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/eGW5QNzkLu/dump1.h"