Temporary header file '/tmp/4XbQcCUQbA/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)

  // add includes
  #include "/usr/include/stdio.h"
  #include "/usr/include/plot.h"
  #include "/usr/include/plotter.h"
  #include "/usr/include/xmi.h"

  // add classes
  AIPlotter* tmp_add_class_0;
  BitmapPlotter* tmp_add_class_1;
  CGMPlotter* tmp_add_class_2;
  FigPlotter* tmp_add_class_3;
  GIFPlotter* tmp_add_class_4;
  HPGLPlotter* tmp_add_class_5;
  MetaPlotter* tmp_add_class_6;
  PCLPlotter* tmp_add_class_7;
  PNMPlotter* tmp_add_class_8;
  PSPlotter* tmp_add_class_9;
  Plotter* tmp_add_class_10;
  PlotterParams* tmp_add_class_11;
  ReGISPlotter* tmp_add_class_12;
  SVGPlotter* tmp_add_class_13;
  TekPlotter* tmp_add_class_14;
  XDrawablePlotter* tmp_add_class_15;
  XPlotter* tmp_add_class_16;
  _G_fpos64_t* tmp_add_class_17;
  _G_fpos_t* tmp_add_class_18;
  _IO_cookie_io_functions_t* tmp_add_class_19;
  _XComposeStatus* tmp_add_class_20;
  _XEvent* tmp_add_class_21;
  _XExtData* tmp_add_class_22;
  _XIMHotKeyTrigger* tmp_add_class_23;
  _XIMHotKeyTriggers* tmp_add_class_24;
  _XIMPreeditCaretCallbackStruct* tmp_add_class_25;
  _XIMPreeditDrawCallbackStruct* tmp_add_class_26;
  _XIMPreeditStateNotifyCallbackStruct* tmp_add_class_27;
  _XIMStatusDrawCallbackStruct* tmp_add_class_28;
  _XIMStringConversionCallbackStruct* tmp_add_class_29;
  _XIMStringConversionText* tmp_add_class_30;
  _XIMText* tmp_add_class_31;
  _XImage* tmp_add_class_32;
  _XtActionsRec* tmp_add_class_33;
  _XtCallbackRec* tmp_add_class_34;
  _XtCheckpointTokenRec* tmp_add_class_35;
  _XtResource* tmp_add_class_36;
  plCachedColorNameInfoStruct* tmp_add_class_37;
  plColorRecordStruct* tmp_add_class_38;
  plDrawStateStruct* tmp_add_class_39;
  plOutbufStruct* tmp_add_class_40;
  plXFontRecordStruct* tmp_add_class_41;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/4XbQcCUQbA/dump1.h"