Temporary header file '/tmp/95TTUDvfi6/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/avifile-0.7/Locker.h"
  #include "/usr/include/avifile-0.7/VideoDPMS.h"
  #include "/usr/include/avifile-0.7/audiodecoder.h"
  #include "/usr/include/avifile-0.7/audioencoder.h"
  #include "/usr/include/avifile-0.7/avifile.h"
  #include "/usr/include/avifile-0.7/aviplay.h"
  #include "/usr/include/avifile-0.7/avm_args.h"
  #include "/usr/include/avifile-0.7/avm_cpuinfo.h"
  #include "/usr/include/avifile-0.7/avm_creators.h"
  #include "/usr/include/avifile-0.7/avm_default.h"
  #include "/usr/include/avifile-0.7/avm_except.h"
  #include "/usr/include/avifile-0.7/avm_fourcc.h"
  #include "/usr/include/avifile-0.7/avm_locker.h"
  #include "/usr/include/avifile-0.7/avm_output.h"
  #include "/usr/include/avifile-0.7/avm_stl.h"
  #include "/usr/include/avifile-0.7/configfile.h"
  #include "/usr/include/avifile-0.7/cpuinfo.h"
  #include "/usr/include/avifile-0.7/creators.h"
  #include "/usr/include/avifile-0.7/default.h"
  #include "/usr/include/avifile-0.7/except.h"
  #include "/usr/include/avifile-0.7/formats.h"
  #include "/usr/include/avifile-0.7/fourcc.h"
  #include "/usr/include/avifile-0.7/image.h"
  #include "/usr/include/avifile-0.7/infotypes.h"
  #include "/usr/include/avifile-0.7/playerwidget.h"
  #include "/usr/include/avifile-0.7/renderer.h"
  #include "/usr/include/avifile-0.7/subtitle.h"
  #include "/usr/include/avifile-0.7/utils.h"
  #include "/usr/include/avifile-0.7/version.h"
  #include "/usr/include/avifile-0.7/videodecoder.h"
  #include "/usr/include/avifile-0.7/videoencoder.h"

  // add namespaces
  namespace avm{typedef int tmp_add_type_1;}
  avm::tmp_add_type_1 tmp_add_func_1(){return 0;};

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/95TTUDvfi6/dump1.h"

In file included from /tmp/95TTUDvfi6/dump1.h:13:
/usr/include/avifile-0.7/VideoDPMS.h:7:10: fatal error: X11/Xlib.h: No such file or directory
    7 | #include <X11/Xlib.h>
      |          ^~~~~~~~~~~~
compilation terminated.