Temporary header file '/tmp/jUTAn7rDNH/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/libhocr/ho_array.h"
  #include "/usr/include/libhocr/ho_array_hist.h"
  #include "/usr/include/libhocr/ho_array_stat.h"
  #include "/usr/include/libhocr/ho_bitmap.h"
  #include "/usr/include/libhocr/ho_bitmap_hist.h"
  #include "/usr/include/libhocr/ho_dimentions.h"
  #include "/usr/include/libhocr/ho_font.h"
  #include "/usr/include/libhocr/ho_gtk.h"
  #include "/usr/include/libhocr/ho_layout.h"
  #include "/usr/include/libhocr/ho_linguistics.h"
  #include "/usr/include/libhocr/ho_objmap.h"
  #include "/usr/include/libhocr/ho_pixbuf.h"
  #include "/usr/include/libhocr/ho_recognize.h"
  #include "/usr/include/libhocr/ho_recognize_font_1.h"
  #include "/usr/include/libhocr/ho_recognize_font_2.h"
  #include "/usr/include/libhocr/ho_recognize_font_3.h"
  #include "/usr/include/libhocr/ho_recognize_font_4.h"
  #include "/usr/include/libhocr/ho_recognize_font_5.h"
  #include "/usr/include/libhocr/ho_recognize_font_6.h"
  #include "/usr/include/libhocr/ho_recognize_nikud.h"
  #include "/usr/include/libhocr/ho_segment.h"
  #include "/usr/include/libhocr/ho_string.h"
  #include "/usr/include/libhocr/hocr.h"
  #include "/usr/include/libhocr/hocrpp.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/jUTAn7rDNH/dump1.h"  -I/usr/include/libhocr

In file included from /tmp/jUTAn7rDNH/dump1.h:19:
/usr/include/libhocr/ho_gtk.h:34:10: fatal error: gdk-pixbuf/gdk-pixbuf.h: No such file or directory
   34 | #include <gdk-pixbuf/gdk-pixbuf.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.