Temporary header file '/tmp/X4DiCtWC9s/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/fizmo/drilbo/drilbo-jpeg.h"
  #include "/usr/include/fizmo/drilbo/drilbo-mg1.h"
  #include "/usr/include/fizmo/drilbo/drilbo-png.h"
  #include "/usr/include/fizmo/drilbo/drilbo-ppm.h"
  #include "/usr/include/fizmo/drilbo/drilbo-x11.h"
  #include "/usr/include/fizmo/drilbo/drilbo.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;
  _XEvent* tmp_add_class_3;
  _XExtData* tmp_add_class_4;
  _XIMHotKeyTrigger* tmp_add_class_5;
  _XIMHotKeyTriggers* tmp_add_class_6;
  _XIMPreeditCaretCallbackStruct* tmp_add_class_7;
  _XIMPreeditDrawCallbackStruct* tmp_add_class_8;
  _XIMPreeditStateNotifyCallbackStruct* tmp_add_class_9;
  _XIMStatusDrawCallbackStruct* tmp_add_class_10;
  _XIMStringConversionCallbackStruct* tmp_add_class_11;
  _XIMStringConversionText* tmp_add_class_12;
  _XIMText* tmp_add_class_13;
  _XImage* tmp_add_class_14;
  commandline_parameter* tmp_add_class_15;
  z_blorb_map_struct* tmp_add_class_16;
  z_dir_ent* tmp_add_class_17;
  z_dir_struct* tmp_add_class_18;
  z_file_struct* tmp_add_class_19;
  z_filesys_interface* tmp_add_class_20;
  z_story* tmp_add_class_21;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/X4DiCtWC9s/dump1.h"  -I/usr/include/fizmo

In file included from /tmp/X4DiCtWC9s/dump1.h:12:
/usr/include/fizmo/drilbo/drilbo-jpeg.h:51:32: error: ‘z_file’ was not declared in this scope
   51 | z_image* read_zimage_from_jpeg(z_file *in);
      |                                ^~~~~~
/usr/include/fizmo/drilbo/drilbo-jpeg.h:51:40: error: ‘in’ was not declared in this scope; did you mean ‘int’?
   51 | z_image* read_zimage_from_jpeg(z_file *in);
      |                                        ^~
      |                                        int
/usr/include/fizmo/drilbo/drilbo-jpeg.h:52:43: error: ‘z_file’ has not been declared
   52 | void write_zimage_to_jpeg(z_image *image, z_file *out, int color_space);
      |                                           ^~~~~~