Temporary header file '/tmp/iX9cjrsEeK/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#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/xeus/xauthentication.hpp"
  #include "/usr/include/xeus/xcomm.hpp"
  #include "/usr/include/xeus/xcontrol_messenger.hpp"
  #include "/usr/include/xeus/xdap_tcp_client.hpp"
  #include "/usr/include/xeus/xdebugger.hpp"
  #include "/usr/include/xeus/xdebugger_base.hpp"
  #include "/usr/include/xeus/xeus.hpp"
  #include "/usr/include/xeus/xeus_context.hpp"
  #include "/usr/include/xeus/xguid.hpp"
  #include "/usr/include/xeus/xhelper.hpp"
  #include "/usr/include/xeus/xhistory_manager.hpp"
  #include "/usr/include/xeus/xinput.hpp"
  #include "/usr/include/xeus/xinterpreter.hpp"
  #include "/usr/include/xeus/xkernel.hpp"
  #include "/usr/include/xeus/xkernel_configuration.hpp"
  #include "/usr/include/xeus/xlogger.hpp"
  #include "/usr/include/xeus/xmessage.hpp"
  #include "/usr/include/xeus/xmiddleware.hpp"
  #include "/usr/include/xeus/xserver.hpp"
  #include "/usr/include/xeus/xserver_control_main.hpp"
  #include "/usr/include/xeus/xserver_shell_main.hpp"
  #include "/usr/include/xeus/xserver_zmq.hpp"
  #include "/usr/include/xeus/xserver_zmq_split.hpp"
  #include "/usr/include/xeus/xsystem.hpp"
  #include "/usr/include/xeus/xzmq_serializer.hpp"

  // add namespaces
  namespace nlohmann{typedef int tmp_add_type_1;}
  nlohmann::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace xeus{typedef int tmp_add_type_2;}
  xeus::tmp_add_type_2 tmp_add_func_2(){return 0;};
  namespace xtl{typedef int tmp_add_type_3;}
  xtl::tmp_add_type_3 tmp_add_func_3(){return 0;};
  namespace xtl{namespace detail{typedef int tmp_add_type_4;}}
  xtl::detail::tmp_add_type_4 tmp_add_func_4(){return 0;};
  namespace zmq{typedef int tmp_add_type_5;}
  zmq::tmp_add_type_5 tmp_add_func_5(){return 0;};
  namespace zmq{namespace detail{typedef int tmp_add_type_6;}}
  zmq::detail::tmp_add_type_6 tmp_add_func_6(){return 0;};
  namespace zmq{namespace detail{namespace ranges{typedef int tmp_add_type_7;}}}
  zmq::detail::ranges::tmp_add_type_7 tmp_add_func_7(){return 0;};
  namespace zmq{namespace literals{typedef int tmp_add_type_8;}}
  zmq::literals::tmp_add_type_8 tmp_add_func_8(){return 0;};
  namespace zmq{namespace sockopt{typedef int tmp_add_type_9;}}
  zmq::sockopt::tmp_add_type_9 tmp_add_func_9(){return 0;};
  namespace nlohmann{namespace json_abi_v3_11_2{typedef int tmp_add_type_10;}}
  nlohmann::json_abi_v3_11_2::tmp_add_type_10 tmp_add_func_10(){return 0;};
  namespace nlohmann{namespace json_abi_v3_11_2{namespace detail{typedef int tmp_add_type_11;}}}
  nlohmann::json_abi_v3_11_2::detail::tmp_add_type_11 tmp_add_func_11(){return 0;};
  namespace nlohmann{namespace json_abi_v3_11_2{namespace detail2{typedef int tmp_add_type_12;}}}
  nlohmann::json_abi_v3_11_2::detail2::tmp_add_type_12 tmp_add_func_12(){return 0;};
  namespace nlohmann{namespace json_abi_v3_11_2{namespace detail{namespace container_input_adapter_factory_impl{typedef int tmp_add_type_13;}}}}
  nlohmann::json_abi_v3_11_2::detail::container_input_adapter_factory_impl::tmp_add_type_13 tmp_add_func_13(){return 0;};
  namespace nlohmann{namespace json_abi_v3_11_2{namespace detail{namespace dtoa_impl{typedef int tmp_add_type_14;}}}}
  nlohmann::json_abi_v3_11_2::detail::dtoa_impl::tmp_add_type_14 tmp_add_func_14(){return 0;};
  namespace nlohmann{namespace json_abi_v3_11_2{namespace detail{namespace impl{typedef int tmp_add_type_15;}}}}
  nlohmann::json_abi_v3_11_2::detail::impl::tmp_add_type_15 tmp_add_func_15(){return 0;};
  namespace nlohmann{namespace json_abi_v3_11_2{namespace literals{typedef int tmp_add_type_16;}}}
  nlohmann::json_abi_v3_11_2::literals::tmp_add_type_16 tmp_add_func_16(){return 0;};
  namespace nlohmann{namespace json_abi_v3_11_2{namespace literals{namespace json_literals{typedef int tmp_add_type_17;}}}}
  nlohmann::json_abi_v3_11_2::literals::json_literals::tmp_add_type_17 tmp_add_func_17(){return 0;};
  namespace xtl{namespace string_policy{typedef int tmp_add_type_18;}}
  xtl::string_policy::tmp_add_type_18 tmp_add_func_18(){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;
  zmq_msg_t* tmp_add_class_3;
  zmq_pollitem_t* tmp_add_class_4;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/iX9cjrsEeK/dump1.h"