Temporary header file '/tmp/l9f_5XLxlh/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/gocr/amiga.h"
  #include "/usr/include/gocr/barcode.h"
  #include "/usr/include/gocr/config.h"
  #include "/usr/include/gocr/gocr.h"
  #include "/usr/include/gocr/list.h"
  #include "/usr/include/gocr/ocr0.h"
  #include "/usr/include/gocr/ocr0_dbg.h"
  #include "/usr/include/gocr/ocr1.h"
  #include "/usr/include/gocr/otsu.h"
  #include "/usr/include/gocr/output.h"
  #include "/usr/include/gocr/pcx.h"
  #include "/usr/include/gocr/pgm2asc.h"
  #include "/usr/include/gocr/pnm.h"
  #include "/usr/include/gocr/progress.h"
  #include "/usr/include/gocr/tga.h"
  #include "/usr/include/gocr/unicode.h"
  #include "/usr/include/gocr/unicode_defs.h"
  #include "/usr/include/gocr/version.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;
  box* tmp_add_class_3;
  itimerval* tmp_add_class_4;
  job_s* tmp_add_class_5;
  list_holes* tmp_add_class_6;
  ocr0_shared* tmp_add_class_7;
  ocr_element* tmp_add_class_8;
  ocr_object_list* tmp_add_class_9;
  path* tmp_add_class_10;
  pixmap* tmp_add_class_11;
  progress_counter* tmp_add_class_12;
  tlines* tmp_add_class_13;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/l9f_5XLxlh/dump1.h"

In file included from /tmp/l9f_5XLxlh/dump1.h:13:
/usr/include/gocr/barcode.h:9:20: error: ‘job_t’ was not declared in this scope
    9 | int detect_barcode(job_t *job);
      |                    ^~~~~
/usr/include/gocr/barcode.h:9:27: error: ‘job’ was not declared in this scope
    9 | int detect_barcode(job_t *job);
      |                           ^~~