Temporary header file '/tmp/F1idfLwQ30/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
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d) 
#define _Noreturn

  // add includes
  #include "/usr/include/WINGs/WINGs.h"
  #include "/usr/include/WINGs/WINGsP.h"
  #include "/usr/include/WINGs/WUtil.h"

  // add classes
  RColor* tmp_add_class_0;
  RContext* tmp_add_class_1;
  RContextAttributes* tmp_add_class_2;
  RHSVColor* tmp_add_class_3;
  RImage* tmp_add_class_4;
  RPoint* tmp_add_class_5;
  RSegment* tmp_add_class_6;
  RXImage* tmp_add_class_7;
  WMAlertPanel* tmp_add_class_8;
  WMBrowserDelegate* tmp_add_class_9;
  WMGenericPanel* tmp_add_class_10;
  WMInputPanel* tmp_add_class_11;
  WMListItem* tmp_add_class_12;
  WMSelectionProcs* tmp_add_class_13;
  WMTabViewDelegate* tmp_add_class_14;
  WMTextDelegate* tmp_add_class_15;
  WMTextFieldDelegate* tmp_add_class_16;
  W_Application* tmp_add_class_17;
  W_Color* tmp_add_class_18;
  W_DragDestinationInfo* tmp_add_class_19;
  W_DragDestinationProcs* tmp_add_class_20;
  W_DragOperationItem* tmp_add_class_21;
  W_DragSourceInfo* tmp_add_class_22;
  W_DragSourceProcs* tmp_add_class_23;
  W_DraggingInfo* tmp_add_class_24;
  W_EventHandler* tmp_add_class_25;
  W_FocusInfo* tmp_add_class_26;
  W_Font* tmp_add_class_27;
  W_Pixmap* tmp_add_class_28;
  W_Screen* tmp_add_class_29;
  W_View* tmp_add_class_30;
  W_ViewDelegate* tmp_add_class_31;
  W_WidgetType* tmp_add_class_32;
  _G_fpos64_t* tmp_add_class_33;
  _G_fpos_t* tmp_add_class_34;
  _IO_cookie_io_functions_t* tmp_add_class_35;
  _WINGsConfiguration* tmp_add_class_36;
  _XComposeStatus* tmp_add_class_37;
  _XEvent* tmp_add_class_38;
  _XExtData* tmp_add_class_39;
  _XIMHotKeyTrigger* tmp_add_class_40;
  _XIMHotKeyTriggers* tmp_add_class_41;
  _XIMPreeditCaretCallbackStruct* tmp_add_class_42;
  _XIMPreeditDrawCallbackStruct* tmp_add_class_43;
  _XIMPreeditStateNotifyCallbackStruct* tmp_add_class_44;
  _XIMStatusDrawCallbackStruct* tmp_add_class_45;
  _XIMStringConversionCallbackStruct* tmp_add_class_46;
  _XIMStringConversionText* tmp_add_class_47;
  _XIMText* tmp_add_class_48;
  _XImage* tmp_add_class_49;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/F1idfLwQ30/dump1.h"