Temporary header file '/tmp/_DNmal38pP/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/rfb/keysym.h"
  #include "/usr/include/rfb/rfb.h"
  #include "/usr/include/rfb/rfbclient.h"
  #include "/usr/include/rfb/rfbconfig.h"
  #include "/usr/include/rfb/rfbproto.h"
  #include "/usr/include/rfb/rfbregion.h"
  #include "/usr/include/rfb/threading.h"
  #include "/usr/share/doc/libvncserver-dev/examples/radon.h"

  // 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;
  _rect* tmp_add_class_3;
  _rfbClient* tmp_add_class_4;
  _rfbClientProtocolExtension* tmp_add_class_5;
  _rfbClientRec* tmp_add_class_6;
  _rfbCredential* tmp_add_class_7;
  _rfbExtensionData* tmp_add_class_8;
  _rfbFileTransferData* tmp_add_class_9;
  _rfbFileTransferMsg* tmp_add_class_10;
  _rfbProtocolExtension* tmp_add_class_11;
  _rfbResizeFrameBufferMsg* tmp_add_class_12;
  _rfbScreenInfo* tmp_add_class_13;
  _rfbSecurity* tmp_add_class_14;
  _rfbSetSWMsg* tmp_add_class_15;
  _rfbSetScaleMsg* tmp_add_class_16;
  _rfbSetServerInputMsg* tmp_add_class_17;
  _rfbStatList* tmp_add_class_18;
  _rfbTextChatMsg* tmp_add_class_19;
  cmsghdr* tmp_add_class_20;
  group_filter* tmp_add_class_21;
  group_req* tmp_add_class_22;
  group_source_req* tmp_add_class_23;
  gzFile_s* tmp_add_class_24;
  gz_header_s* tmp_add_class_25;
  in6_addr* tmp_add_class_26;
  in6_pktinfo* tmp_add_class_27;
  in_addr* tmp_add_class_28;
  in_pktinfo* tmp_add_class_29;
  iovec* tmp_add_class_30;
  ip6_mtuinfo* tmp_add_class_31;
  ip_mreq* tmp_add_class_32;
  ip_mreq_source* tmp_add_class_33;
  ip_mreqn* tmp_add_class_34;
  ip_msfilter* tmp_add_class_35;
  ip_opts* tmp_add_class_36;
  ipv6_mreq* tmp_add_class_37;
  itimerval* tmp_add_class_38;
  linger* tmp_add_class_39;
  mmsghdr* tmp_add_class_40;
  msghdr* tmp_add_class_41;
  osockaddr* tmp_add_class_42;
  propval* tmp_add_class_43;
  rfbClientData* tmp_add_class_44;
  rfbCursor* tmp_add_class_45;
  rfbExtDesktopScreen* tmp_add_class_46;
  rfbExtDesktopSizeMsg* tmp_add_class_47;
  rfbFontData* tmp_add_class_48;
  rfbSetDesktopSizeMsg* tmp_add_class_49;
  sasl_callback* tmp_add_class_50;
  sasl_channel_binding* tmp_add_class_51;
  sasl_http_request* tmp_add_class_52;
  sasl_interact* tmp_add_class_53;
  sasl_secret* tmp_add_class_54;
  sasl_security_properties* tmp_add_class_55;
  sockaddr* tmp_add_class_56;
  sockaddr_in* tmp_add_class_57;
  sockaddr_in6* tmp_add_class_58;
  sockaddr_storage* tmp_add_class_59;
  sraRectangleIterator* tmp_add_class_60;
  ucred* tmp_add_class_61;
  z_stream_s* tmp_add_class_62;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/_DNmal38pP/dump1.h"